feedback5 WV: 麦哲伦 S1, 令 S3 and 电弧 S2 / S3 also cast on an enemy inside the area they act through around a standing summon (drones' ranges, each summon's x-5 ground only, 赛柯's range ground only, 桑特拉's range) — the owner's larger-range rule (the owner's decision of 2026-10-06), via a shared summonTriggerArea and an additive { keys, profile } entry for skill.addTriggerRange; golden unchanged (no corpus battle places a 自选 summon)

docs/SIM.md

@@ -850,8 +850,12 @@ or guard with a per-unit flag while dealing it. When the guard trips, the logged
   (`unit.baseRangeKeys`: its own grid + its permanent rangeExtend — "攻击范围扩大" modules/talents as persist never-expiring
   `rangeExtend` buffs; no skill range, no temporary extend, no extra keys) or blocked by the melee unit — or, checked
   **every tick**, an enemy (flyers included) inside a content trigger range (`unit.skill.addTriggerRange(fn)`,
-  `fn(battle, unit)` → list of ally units (their current range) or tile-key arrays; returns an unregister fn; not for
-  heal skills: 海嗣 "攻击范围视为自身攻击范围的延伸", 流形); `SKILL_RANGE` — "不通过普通攻击/治疗触发技能，仅在技能范围内存在敌人（无视其不可选中）时释放技能": any
+  `fn(battle, unit)` → list of ally units (their current range), tile-key arrays or `{ keys, profile }` (tile keys with
+  the enemy profile the effect selects by — `canHitFly` false: ground enemies only); returns an unregister fn; not for
+  heal skills: 海嗣 "攻击范围视为自身攻击范围的延伸", 流形, 谬因 S2's beam, and the areas a skill acts through around its
+  owner's standing summons — 麦哲伦 S1 (her drones' ranges), 令 S3 (each summon's x-5, ground), 电弧 S2 (赛柯's range,
+  ground) / S3 (桑特拉's range): the owner's larger-range rule of 2026-10-06, kits/shared/summoner.js
+  `summonTriggerArea`); `SKILL_RANGE` — "不通过普通攻击/治疗触发技能，仅在技能范围内存在敌人（无视其不可选中）时释放技能": any
   living enemy (stealthed, untargetable, flying included) on `trigger.customRangeGrid` (= the skill's rangeGrid), every
   tick, no attack needed; `trigger.allies` (+ `hpAtMost`, default 1) — set by a kit, or by the data for an ally row (黍 S3's
   official `TRY_SEARCH_ALLY_SKILL`, "技能范围内存在可治疗的我方单位时释放技能": tools/build-data.mjs `TRIGGER_ALLY_RULES`,

server/sim/content/kits/ops/op-ling.js

@@ -42,7 +42,9 @@
 //   The 备注's cast with no target cannot happen here: the data's DEFAULT casts it on an attack.
 // - S3 宁作吾 (MANUAL, data DEFAULT, 30 s): she and her summons ATK +atk, DEF +def; every `interval` (0.5) s from the moment
 //   it covers a summon, every ground enemy on that summon's x-5 takes atk_scale × 令's ATK arts (溅射: not dodgeable, her
-//   damage — PRTS); +cnt held when it ends (not when she leaves). Passive: the 弦惊 merge — at a 弦惊's deployment, another
+//   damage — PRTS); +cnt held when it ends (not when she leaves). Its cast: the data's DEFAULT, and — the owner's
+//   larger-range rule of 2026-10-06 (its pulses act on each summon's x-5) — also a ground enemy on a standing summon's x-5
+//   (shared/summoner.js summonTriggerArea, checked every tick). Passive: the 弦惊 merge — at a 弦惊's deployment, another
 //   basic 弦惊 of hers on its range ⇒ that one turns 高级形态 and the new one is absorbed (withdrawn); else, the new one
 //   standing on the range of one or more basic ones ⇒ it turns 高级形态 and the latest deployed of them is absorbed. 高级形态
 //   (until it leaves the field): its skill's 2.max_hp / 2.atk / 2.def (直接乘算), RES ×(1 + 2.magic_resistance), attack
@@ -53,7 +55,7 @@
 //   stats). Its attributes are in the stats.
 
 import { num, talentBb, traitBb, moduleOn, skillRec, batMod, giveSp, up } from '../shared/tier1.js';
-import { summonDeck, holdBuff, tokenStat } from '../shared/summoner.js';
+import { summonDeck, holdBuff, tokenStat, summonTriggerArea } from '../shared/summoner.js';
 import { absoluteRangeKeys } from '../../../targeting.js';
 import { acquireTargets } from '../../../ai.js';
 import { COLS, PROJECTILE_SPEEDS } from '../../../constants.js';
@@ -72,6 +74,8 @@ export const RECYCLE_DELAY = 1.2;
 const X5 = Object.freeze([[1, 0], [0, -1], [0, 0], [0, 1], [-1, 0]]);
 const TAG_S2 = 'ling:s2';
 const TAG_S3 = 'ling:s3';
+/** S3's pulses: ground enemies only ("不可对空"). */
+const GROUND = Object.freeze({ canHitFly: false });
 
 const bbOf = (chess, id) => skillRec(chess, id)?.bb ?? {};
 const skillOn = (u, id) => !!(u && u.skill && u.skill.active && u.skill.id === id);
@@ -127,7 +131,7 @@ function soulKit(t, owner, opts) {
         if (battle.time + 1e-9 < s.mem.lingAoeAt) return;
         s.mem.lingAoeAt += iv;
         const keys = absoluteRangeKeys(X5, s.tileR, s.tileC, s.dir, 0);
-        for (const e of battle.enemiesInKeys(keys, s, { canHitFly: false })) {
+        for (const e of battle.enemiesInKeys(keys, s, GROUND)) {
           if (!e.alive) continue;
           battle.dealDamage(owner, e, { amount: owner.s.atk * num(opts.b3.atk_scale), type: 'arts', isSkill: true, isSplash: true, canDodge: false, tags: ['skill', TAG_S3] });
         }
@@ -241,6 +245,10 @@ export default {
         } },
         // 随付笺咏醉屠苏 lives in the deck's onLeave above
       ],
+      install(battle, unit) {
+        // S3's cast: a ground enemy on a standing summon's x-5 too (the owner's larger-range rule, 2026-10-06)
+        summonTriggerArea(battle, unit, S3, (t) => ({ keys: absoluteRangeKeys(X5, t.tileR, t.tileC, t.dir, 0), profile: GROUND }));
+      },
     };
   },
 };

server/sim/content/kits/ops/op-mgllan.js

@@ -38,7 +38,9 @@
 // - S1 高效制冷模块 (MANUAL, data DEFAULT, 15 s): passive (while S1 is picked and not running) every attack@interval (3) s from
 //   her deployment / the skill's end, every enemy (air units too) on her attack range and on each of her standing drones'
 //   ranges (龙腾.F: x-4) takes 停顿 attack@sluggish s; while it runs, every 3 s from the cast, 束缚 attack@frozen_duration s
-//   instead. It acts while she is stunned or silenced (the buff is neither — isStunnable / isSilenceable 0).
+//   instead. It acts while she is stunned or silenced (the buff is neither — isStunnable / isSilenceable 0). Its cast:
+//   the data's DEFAULT, and — the owner's larger-range rule of 2026-10-06 (its 束缚 acts through the drones' ranges) —
+//   also an enemy (air units too) on a standing drone's range (shared/summoner.js summonTriggerArea, checked every tick).
 // - S2 激光开采模块 (MANUAL, data DEFAULT, 15 s): she and her drones ASPD +attack_speed; a 龙腾.L strikes every enemy on its tile
 //   (群体) while it runs. S3 武装打击模块 (MANUAL, data DEFAULT, 15 s): she and her drones ATK +atk; 龙腾.A's blast radius
 //   BLAST_S3 (1.25). Passive parts ("无人机可以部署在近战位 / 远程位"): placement — the piece's position, nothing in battle.
@@ -51,10 +53,12 @@
 //   drones' lower costs (the module variant); stage 2+ T1 "最多同时部署4个", stage 3 "属性更强的" (the module variant's stats).
 
 import { num, talentBb, traitBb, moduleOn, skillRec, up } from '../shared/tier1.js';
-import { summonDeck, holdBuff, tokenStat } from '../shared/summoner.js';
+import { summonDeck, holdBuff, tokenStat, summonTriggerArea } from '../shared/summoner.js';
 import { absoluteRangeKeys } from '../../../targeting.js';
 import { COLS } from '../../../constants.js';
 
+/** S1's selection on her range and her drones' (air units too). */
+const ANY = Object.freeze({ canHitFly: true });
 const S1 = 'skchr_mgllan_1';
 const S2 = 'skchr_mgllan_2';
 const S3 = 'skchr_mgllan_3';
@@ -171,6 +175,8 @@ export default {
       install(battle, unit) {
         // S1 高效制冷模块: every attack@interval s, 停顿 (passive) / 束缚 (running) on her range and her drones' ranges
         if (picked !== S1) return;
+        // its cast: an enemy on a standing drone's range too (the owner's larger-range rule, 2026-10-06)
+        summonTriggerArea(battle, unit, S1, (d) => ({ keys: d.rangeKeys, profile: ANY }));
         const iv = num(b1['attack@interval'], 3);
         if (!(iv > 0)) return;
         const restart = (c) => { if (c.unit === unit) unit.mem.mgllanPulseAt = battle.time + iv; };
@@ -186,7 +192,7 @@ export default {
           if (!(duration > 0)) return;
           const done = new Set();
           for (const src of [unit, ...(unit.mem.summonDeck?.standing() ?? [])]) {
-            for (const e of battle.enemiesInKeys(src.rangeKeys, src, { canHitFly: true })) {
+            for (const e of battle.enemiesInKeys(src.rangeKeys, src, ANY)) {
               if (done.has(e)) continue;
               done.add(e);
               battle.applyStatus(e, key, { duration, source: src });

server/sim/content/kits/ops/op-radian.js

@@ -43,10 +43,14 @@
 // - S2 环形鳞地 (MANUAL, data DEFAULT, 25 s): +cnt held; she and her summons ATK +atk (base_attack_time 0: no change); 赛柯's
 //   attacks fire BULLET_OFFSETS (three bullets: its centre, 0.2 tile left-up and right-down — fixed, PRTS) that fly its token
 //   skill's attack@projectile_life_time s (0.6 at rank 4, 0.8 at rank 7: "子弹飞行距离+1"); its 3-2 range is unchanged at ranks
-//   4 / 7 (PRTS). Passive "会持续向前方发射子弹": 赛柯's data.
+//   4 / 7 (PRTS). Passive "会持续向前方发射子弹": 赛柯's data. Its cast: the data's DEFAULT, and — the owner's larger-range
+//   rule of 2026-10-06 (it acts through 赛柯's shots) — also a ground enemy on a standing summon's range (its 3-2: the
+//   bullets reach no air unit; shared/summoner.js summonTriggerArea, checked every tick).
 // - S3 手牵手 (MANUAL, data DEFAULT, 30 s): +cnt held; she and her summons ATK +atk; before each damage of her attacks and of
 //   any damage of her summons on an enemy: 停顿 `sluggish` s and 法术脆弱 (artsFragile damage_scale − 1, "同名效果取最高") for
 //   weak[magic][limit] s (a dodged hit still carries them [ASSUMED]). Passive "召唤物可部署在远程位…协同攻击": 桑特拉 (above).
+//   Its cast: the data's DEFAULT, and — the owner's larger-range rule of 2026-10-06 (it acts through her summons' damage)
+//   — also an enemy (air units too: S3 备注 "召唤物可对空") on a standing summon's range (summonTriggerArea).
 // - Modules SO-A 电弧特勤证章 / SO-B 新起点: their trait and talent parts act "在【岁的界园志异】中" only (the client gates them to
 //   the 集成战略 theme rogue_yan / validInGameTag roguelike): N/A here — the module talents the composed record carries
 //   (SO-A's hidden respawn_time / prob / sp, SO-B's attack@max_target and x-5 recall) are ignored; their attributes are in the
@@ -54,7 +58,7 @@
 //   its tests.
 
 import { num, talentBb, skillRec, up } from '../shared/tier1.js';
-import { summonDeck, holdBuff, tokenStat } from '../shared/summoner.js';
+import { summonDeck, holdBuff, tokenStat, summonTriggerArea } from '../shared/summoner.js';
 import { acquireTargets } from '../../../ai.js';
 import { aggregateMods } from '../../../buffs.js';
 import { dirVec } from '../../../dir.js';
@@ -79,6 +83,9 @@ const BULLET_OFFSETS = Object.freeze([[0, 0], [-0.2, 0.2], [0.2, -0.2]]);
 const LINK_SPEED = 50;
 const SHIELD_TYPES = Object.freeze(['phys', 'arts', 'true']);
 const KEY_BARRIER = 'radian:s1:barrier';
+/** The summons' areas a skill casts on (summonTriggerArea): 赛柯's bullets hit ground enemies only, S3's summons air too. */
+const GROUND = Object.freeze({ canHitFly: false });
+const ANY = Object.freeze({ canHitFly: true });
 const TAG_BULLET = 'radian:bullet';
 const TAG_LINK = 'radian:link';
 
@@ -268,6 +275,9 @@ export default {
         // 加油~ lives in the deck's install above (its 鼓舞 at each deployment and every second)
       ],
       install(battle, unit) {
+        // S2 / S3's cast: an enemy on a standing summon's range too (the owner's larger-range rule, 2026-10-06)
+        summonTriggerArea(battle, unit, S2, (t) => ({ keys: t.rangeKeys, profile: GROUND }));
+        summonTriggerArea(battle, unit, S3, (t) => ({ keys: t.rangeKeys, profile: ANY }));
         // S3 手牵手: before each damage of her attacks / of her summons' damage on an enemy, 停顿 + 法术脆弱
         if (picked !== S3) return;
         const slug = num(b3.sluggish), dur = num(b3['weak[magic][limit]']), frag = num(b3.damage_scale, 1) - 1;

server/sim/content/kits/shared/summoner.js

@@ -1,6 +1,7 @@
 // server/sim/content/kits/shared/summoner.js — the 召唤师 (summoner) branch in 卫戍: the summon deck the 自选 kits of 麦哲伦
 // (ops/op-mgllan.js), 令 (ops/op-ling.js) and 电弧 (ops/op-radian.js) share — the holding (持有), the return of a placed piece
-// that left the field, recalls (回收) and the summons vanishing with their owner. Kit contract and rules: ../README.md.
+// that left the field, recalls (回收), the summons vanishing with their owner, and the skills that cast on an enemy in a
+// summon's area (summonTriggerArea: the owner's larger-range rule, 2026-10-06). Kit contract and rules: ../README.md.
 //
 // Sources: the client's battle data (charpack char_248_mgllan / char_2023_ling / char_4195_radian: Talents/1
 // charge_token[born] — RechargeToken `cnt` at every deployment of the owner; CommonAbilities die_to_kill_token — KillTokens
@@ -42,6 +43,35 @@ export function holdBuff(battle, u, key, want, mods, extra = null) {
   battle.addBuff(u, { key, mods, tags: ['skill'], ...extra });
 }
 
+/**
+ * The owner's larger-range rule through summons (the owner's decision of 2026-10-06; ACTIVE_RANGE, server/sim/skills.js:
+ * "a skill whose effect reaches farther than the operator's own range casts when an enemy is inside the larger area"):
+ * when `owner`'s picked skill is `skillId`, it also casts while an enemy is inside the area it acts through around one of
+ * the owner's summons standing on the field — on top of its data rule (DEFAULT: an enemy in the owner's own range, about
+ * to attack). A content trigger range (SkillRuntime.addTriggerRange), checked every tick: `area(piece)` gives that
+ * summon's area as `{ keys, profile }` (absolute tile keys; the enemy profile the effect selects by — `canHitFly` false
+ * when it cannot reach air units) or null. Used by 麦哲伦 S1 (her drones' ranges), 令 S3 (each summon's x-5) and 电弧 S2 /
+ * S3 (赛柯's / 桑特拉's ranges). Returns the unregister fn, or null when the skill is another one.
+ * @param {object} battle
+ * @param {object} owner the summoner unit (its deck: owner.mem.summonDeck)
+ * @param {string} skillId
+ * @param {(piece: object) => ({ keys: number[], profile?: object } | null)} area
+ */
+export function summonTriggerArea(battle, owner, skillId, area) {
+  const sk = owner?.skill;
+  if (!sk || sk.id !== skillId) return null;
+  return sk.addTriggerRange(() => {
+    const deck = owner.mem.summonDeck;
+    if (!deck || !up(owner) || battle.finished) return [];
+    const out = [];
+    for (const t of deck.standing()) {
+      const a = area(t);
+      if (a && Array.isArray(a.keys) && a.keys.length) out.push(a);
+    }
+    return out;
+  });
+}
+
 /**
  * A field of a summon's token record at its owner's form and module (data/backups.json `tokens[id].variants[<charId>@
  * <status>]`, `byModule[uniEquipId]`): the stats the normalised def drops (`deployLimit`, `deckStack`).

server/sim/skills.js

@@ -8,7 +8,8 @@
 // Trigger rules (the official 技能策略, PRTS 卫戍协议/帮助 §作战阶段 技能操作; data: tools/build-data.mjs resolveTrigger):
 //   DEFAULT — the basic strategy: ready + about to attack/heal + enemy / injured ally in the INITIAL range (or blocked by
 //   a melee unit) — or, checked every tick, an enemy inside one of the content trigger ranges added with
-//   addTriggerRange: 海嗣, 流形;
+//   addTriggerRange: 海嗣, 流形, 谬因 S2's beam, the summons' areas a skill acts through (麦哲伦 S1, 令 S3, 电弧 S2 / S3 —
+//   the owner's larger-range rule, 2026-10-06: kits/shared/summoner.js summonTriggerArea);
 //   SKILL_RANGE — a MANUAL skill with a 技能范围 of its own: "不通过普通攻击/治疗触发技能，仅在技能范围内存在敌人（无视其
 //   不可选中）时释放技能": any living enemy on the trigger grid (the skill range; stealthed / untargetable / flying ones
 //   too), checked every tick, no attack needed. Kit option `trigger.allies` (+ `hpAtMost`, default 1): a healable,
@@ -135,9 +136,12 @@ export class SkillRuntime {
 
   /**
    * Extra DEFAULT-trigger range (海嗣 "攻击范围视为自身攻击范围的延伸", 流形): `fn(battle, unit)` returns a list whose
-   * entries are ally units (their current `rangeKeys` count while they are on the field) or arrays of absolute tile
-   * keys. A targetable enemy (flyers included) on those tiles satisfies the DEFAULT rule (and unknown DEFAULT-like
-   * rules); it is checked every tick, since the unit itself may have nothing to attack. Returns an unregister fn.
+   * entries are ally units (their current `rangeKeys` count while they are on the field), arrays of absolute tile
+   * keys, or `{ keys, profile }` — tile keys with the enemy profile the effect selects by (`canHitFly` false: ground
+   * enemies only — the owner's larger-range rule through a summon's area, kits/shared/summoner.js summonTriggerArea;
+   * 0.2.0 WV, additive). A targetable enemy (flyers included unless the entry's profile says otherwise) on those tiles
+   * satisfies the DEFAULT rule (and unknown DEFAULT-like rules); it is checked every tick, since the unit itself may
+   * have nothing to attack. Returns an unregister fn.
    */
   addTriggerRange(fn) {
     if (typeof fn !== 'function') return () => {};
@@ -153,10 +157,11 @@ export class SkillRuntime {
       const list = b._safe(() => fn(b, u), 'skill.triggerRange', u);
       if (!list || typeof list[Symbol.iterator] !== 'function') continue;
       for (const x of list) {
-        let keys = null;
+        let keys = null, prof = TRIGGER_PROFILE;
         if (Array.isArray(x)) keys = x;
         else if (x && typeof x === 'object' && x.side === 'ally' && x.alive && x.deployed && !x.hidden) keys = x.rangeKeys;
-        if (keys && keys.length && b.enemiesInKeys(keys, u, TRIGGER_PROFILE).length) return true;
+        else if (x && typeof x === 'object' && Array.isArray(x.keys)) { keys = x.keys; if (x.profile) prof = x.profile; }
+        if (keys && keys.length && b.enemiesInKeys(keys, u, prof).length) return true;
       }
     }
     return false;

test/content/feedback5-wv-summon-triggers.test.js

@@ -0,0 +1,123 @@
+// test/content/feedback5-wv-summon-triggers.test.js — 0.2.0 WV #2: the owner's larger-range rule through summons (the
+// owner's decision of 2026-10-06: "a skill whose effect reaches farther than the operator's own range casts when an enemy is
+// inside the larger area"). A skill that acts through its owner's summons casts on an enemy inside such an area of a summon
+// standing on the field, on top of its data rule (DEFAULT: an enemy in the owner's own range) — kits/shared/summoner.js
+// summonTriggerArea (a content trigger range, server/sim/skills.js addTriggerRange with a `{ keys, profile }` entry):
+//   * 麦哲伦 S1 高效制冷模块 — her drones' ranges (air units too: its 停顿 / 束缚 reach them);
+//   * 令 S3 宁作吾 — each summon's x-5 (ground enemies only: its pulses "不可对空");
+//   * 电弧 S2 环形鳞地 — 赛柯's range (ground only: its bullets reach no air unit); S3 手牵手 — 桑特拉's range (air too).
+// Run: node --test test/content/feedback5-wv-summon-triggers.test.js
+
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { makeBattle, enemyRec, checkInvariants } from '../helpers/battleHarness.js';
+import { COLS } from '../../server/sim/constants.js';
+
+const SLOT = { 5: 'chess_char_5_diy1_a', 6: 'chess_char_6_diy1_a' };
+const dummy = (key, o = {}) => enemyRec({ key, hp: 1e9, speed: 0, mass: 0, ...o });
+const ENEMIES = { enemy_dummy: dummy('enemy_dummy'), enemy_fly: dummy('enemy_fly', { motion: 'FLY' }) };
+const MG = 'char_248_mgllan', LING = 'char_2023_ling', RADIAN = 'char_4195_radian';
+const DRONE_F = 'token_10005_mgllan_drone1';
+const SOUL3 = 'token_10020_ling_soul3';
+const TOWER2 = 'token_10052_radian_tower2', TOWER3 = 'token_10053_radian_tower3';
+function done(h) {
+  checkInvariants(h.b);
+  assert.equal(h.b.errors.length, 0, JSON.stringify(h.b.errors[0]));
+}
+
+/** `charId` as uid 1 at (9, 2) facing RIGHT (her 3-1: rows 8–10, cols 2–5) with skill `skill`; `pieces` = [[tokenId, r, c]]. */
+function field(charId, skill, pieces = [], { tier = 6, elite = true } = {}) {
+  const h = makeBattle({
+    defs: { enemies: ENEMIES }, timeLimit: 900, autoFinish: false, seed: 5,
+    flags: { dpInit: 99, dpPerSec: 0, dpMax: 999, startOpCooldown: 0 }, hooks: ['skillStart', 'skillEnd', 'death'], captureNoisy: true,
+    units: [{ uid: 1, diy: { slot: SLOT[tier], charId, skillIndex: skill, uniEquipId: null }, elite, row: 9, col: 2 },
+      ...pieces.map(([tokenId, r, c], i) => ({ uid: 10 + i, kind: 'token', tokenId, ownerUid: 1, row: r, col: c, dir: 'RIGHT' }))],
+  });
+  h.step();
+  const u = h.unit(1);
+  return { h, u, ps: h.b.allyUnits.filter((a) => a.kind === 'token' && a.ownerUnit === u) };
+}
+/** Fill the skill and run `s` seconds; true when it was cast. */
+function casts(h, u, s = 2) {
+  u.skill.gainSp(999);
+  h.run(s);
+  return u.skill.activations > 0;
+}
+const outOfHerRange = (u, r, c) => !u.rangeKeySet.has(r * COLS + c);
+
+test('#2 麦哲伦 S1: an enemy on a standing drone\'s range (air units too) casts it; none there or with the drone gone: no cast; S2 / S3 get no such area', () => {
+  { // a ground enemy on 龙腾.F's x-4, far from her 3-1
+    const { h, u, ps } = field(MG, 0, [[DRONE_F, 12, 9]]);
+    assert.equal(u.skill.rule, 'DEFAULT');
+    assert.ok(ps[0].alive && ps[0].rangeKeySet.has(12 * COLS + 10) && outOfHerRange(u, 12, 10), 'the setup');
+    h.spawn('enemy_dummy', { pos: [11, 13] });   // outside every area
+    assert.ok(!casts(h, u), 'nobody in her range or a drone\'s: no cast');
+    h.spawn('enemy_dummy', { pos: [12, 10] });
+    assert.ok(h.runUntil(() => u.skill.activations === 1, 1), 'an enemy on the drone\'s range casts S1');
+    done(h);
+  }
+  { // a flyer there too
+    const { h, u } = field(MG, 0, [[DRONE_F, 12, 9]]);
+    h.spawn('enemy_fly', { pos: [11, 10] });
+    assert.ok(casts(h, u), 'a flyer on the drone\'s range');
+    done(h);
+  }
+  { // the drone off the field: nothing
+    const { h, u, ps } = field(MG, 0, [[DRONE_F, 12, 9]]);
+    h.b.retreat(ps[0], { reason: 'retreat' });
+    h.spawn('enemy_dummy', { pos: [12, 10] });
+    assert.ok(!casts(h, u), 'no standing drone: no cast');
+    done(h);
+  }
+  for (const skill of [1, 2]) {
+    const { h, u } = field(MG, skill, []);
+    assert.equal(u.skill.triggerRanges.length, 0, `S${skill + 1}`);
+    done(h);
+  }
+});
+
+test('#2 令 S3: a ground enemy on a standing summon\'s x-5 casts it; a flyer there, or a ground enemy off the x-5, does not; S1 / S2 get no such area', () => {
+  { // 弦惊 at (12, 9): its x-5 = (12, 9) and its four side neighbours
+    const { h, u, ps } = field(LING, 2, [[SOUL3, 12, 9]]);
+    assert.equal(u.skill.rule, 'DEFAULT');
+    assert.ok(ps[0].alive && outOfHerRange(u, 11, 9), 'the setup');
+    h.spawn('enemy_fly', { pos: [11, 9] });       // on the x-5, but air
+    h.spawn('enemy_dummy', { pos: [11, 10] });    // diagonal: off the x-5
+    assert.ok(!casts(h, u), 'a flyer on the x-5 / a ground enemy off it: no cast');
+    h.spawn('enemy_dummy', { pos: [11, 9] });
+    assert.ok(h.runUntil(() => u.skill.activations === 1, 1), 'a ground enemy on the summon\'s x-5 casts S3');
+    done(h);
+  }
+  for (const skill of [0, 1]) {
+    const { h, u } = field(LING, skill, []);
+    assert.equal(u.skill.triggerRanges.length, 0, `S${skill + 1}`);
+    done(h);
+  }
+});
+
+test('#2 电弧 S2: a ground enemy on 赛柯\'s range casts it (a flyer there does not); S3: an enemy on 桑特拉\'s range, air units too; S1 gets no such area', () => {
+  { // 赛柯 at (12, 6) facing RIGHT: its 3-2 = (12, 6) … (12, 9)
+    const { h, u, ps } = field(RADIAN, 1, [[TOWER2, 12, 6]]);
+    assert.equal(u.skill.rule, 'DEFAULT');
+    assert.ok(ps[0].alive && ps[0].rangeKeySet.has(12 * COLS + 9) && outOfHerRange(u, 12, 9), 'the setup');
+    h.spawn('enemy_fly', { pos: [12, 9] });
+    assert.ok(!casts(h, u), 'a flyer on 赛柯\'s range: no cast');
+    h.spawn('enemy_dummy', { pos: [12, 9] });
+    assert.ok(h.runUntil(() => u.skill.activations === 1, 1), 'a ground enemy on 赛柯\'s range casts S2');
+    done(h);
+  }
+  { // 桑特拉 at (12, 6) facing RIGHT: its 3-1 = rows 11–13, cols 6–9
+    const { h, u, ps } = field(RADIAN, 2, [[TOWER3, 12, 6]]);
+    assert.ok(ps[0].alive && ps[0].rangeKeySet.has(12 * COLS + 9) && outOfHerRange(u, 12, 9), 'the setup');
+    h.spawn('enemy_dummy', { pos: [11, 13] });   // outside every area
+    assert.ok(!casts(h, u), 'nobody in an area: no cast');
+    h.spawn('enemy_fly', { pos: [12, 9] });
+    assert.ok(h.runUntil(() => u.skill.activations === 1, 1), 'a flyer on 桑特拉\'s range casts S3');
+    done(h);
+  }
+  {
+    const { h, u } = field(RADIAN, 0, []);
+    assert.equal(u.skill.triggerRanges.length, 0, 'S1');
+    done(h);
+  }
+});