diff --git a/src/game/combat.ts b/src/game/combat.ts
index 7adf216..cc8aad6 100644
--- a/src/game/combat.ts
+++ b/src/game/combat.ts
@@ -90,12 +90,6 @@ export interface CombatTest {
   explain: (user: Creature, target: Creature) => LogEntry;
 }
 
-export interface Effect {
-  name: string;
-  desc: string;
-  apply: (target: Creature) => LogEntry;
-}
-
 /**
  * An instance of damage. Contains zero or more [[DamageInstance]] objects
  */
@@ -374,41 +368,3 @@ export abstract class StatusEffect implements VisibleStatus {
     }
   }
 }
-
-export class StunEffect extends StatusEffect {
-  constructor (private duration: number) {
-    super('Stun', 'Cannot act!', 'fas fa-sun')
-    this.desc = new DynText('Stunned for your next ', new LiveText(this, x => x.duration), ' actions!')
-  }
-
-  get topLeft () {
-    return this.duration.toString()
-  }
-
-  onApply (creature: Creature) {
-    return new LogLine(`${creature.name.capital}  ${creature.name.conjugate(new ToBe())} is stunned!`)
-  }
-
-  onRemove (creature: Creature) {
-    return new LogLine(`${creature.name.capital} ${creature.name.conjugate(new ToBe())} no longer stunned.`)
-  }
-
-  preAction (creature: Creature): { prevented: boolean; log: LogEntry } {
-    if (--this.duration <= 0) {
-      return {
-        prevented: true,
-        log: new LogLines(
-          `${creature.name.capital} ${creature.name.conjugate(new ToBe())} stunned! ${creature.pronouns.capital.subjective} can't move.`,
-          creature.removeEffect(this)
-        )
-      }
-    } else {
-      return {
-        prevented: true,
-        log: new LogLines(
-          `${creature.name.capital} ${creature.name.conjugate(new ToBe())} stunned! ${creature.pronouns.capital.subjective} can't move!`
-        )
-      }
-    }
-  }
-}
diff --git a/src/game/combat/effects.ts b/src/game/combat/effects.ts
index 2c302e6..b29541d 100644
--- a/src/game/combat/effects.ts
+++ b/src/game/combat/effects.ts
@@ -1,18 +1,58 @@
+import { StatusEffect, Damage } from '../combat'
+import { DynText, LiveText, ToBe } from '../language'
 import { Creature } from '../entity'
-import { LogEntry, LogLine, FAElem } from '../interface'
-import { Effect } from '../combat'
-import { SoloLine, ToBe } from '../language'
+import { LogLine, LogEntry, LogLines, FAElem } from '../interface'
 
-export class InstantKill implements Effect {
-  line: SoloLine<Creature> = (victim) => new LogLine(
-    `${victim.name.capital} ${victim.name.conjugate(new ToBe())} killed instantly!`,
-    new FAElem('fas fa-skull')
-  )
+export class InstantKillEffect extends StatusEffect {
+  constructor () {
+    super('Instant Kill', 'Instant kill!', 'fas fa-skull')
+  }
+
+  onApply (creature: Creature) {
+    creature.vigors.Health = 0
+    return new LogLines(
+      new LogLine(
+        `${creature.name.capital} ${creature.name.conjugate(new ToBe())} killed instantly! `,
+        new FAElem('fas fa-skull')
+      ),
+      creature.takeDamage(new Damage())
+    )
+  }
+}
+export class StunEffect extends StatusEffect {
+  constructor (private duration: number) {
+    super('Stun', 'Cannot act!', 'fas fa-sun')
+    this.desc = new DynText('Stunned for your next ', new LiveText(this, x => x.duration), ' actions!')
+  }
+
+  get topLeft () {
+    return this.duration.toString()
+  }
+
+  onApply (creature: Creature) {
+    return new LogLine(`${creature.name.capital}  ${creature.name.conjugate(new ToBe())} is stunned!`)
+  }
+
+  onRemove (creature: Creature) {
+    return new LogLine(`${creature.name.capital} ${creature.name.conjugate(new ToBe())} no longer stunned.`)
+  }
 
-  name = "Instant Kill"
-  desc = "Instantly kills its victim"
-  apply (target: Creature): LogEntry {
-    target.vigors.Health = Math.min(0, target.vigors.Health)
-    return this.line(target)
+  preAction (creature: Creature): { prevented: boolean; log: LogEntry } {
+    if (--this.duration <= 0) {
+      return {
+        prevented: true,
+        log: new LogLines(
+          `${creature.name.capital} ${creature.name.conjugate(new ToBe())} stunned! ${creature.pronouns.capital.subjective} can't move.`,
+          creature.removeEffect(this)
+        )
+      }
+    } else {
+      return {
+        prevented: true,
+        log: new LogLines(
+          `${creature.name.capital} ${creature.name.conjugate(new ToBe())} stunned! ${creature.pronouns.capital.subjective} can't move!`
+        )
+      }
+    }
   }
 }
diff --git a/src/game/creatures/cafat.ts b/src/game/creatures/cafat.ts
index 131e213..7f3626d 100644
--- a/src/game/creatures/cafat.ts
+++ b/src/game/creatures/cafat.ts
@@ -4,7 +4,7 @@ import { ProperNoun, TheyPronouns, ImproperNoun, FemalePronouns, Verb, POV, Pair
 import { VoreType, Stomach, InnerStomach, VoreContainer } from '../vore'
 import { LogLine, LogLines, LogEntry, FAElem, CompositeLog, ImgElem } from '../interface'
 import { AttackAction, EatenAction, TransferAction, FeedAction } from '../combat/actions'
-import { InstantKill } from '../combat/effects'
+import { InstantKillEffect } from '../combat/effects'
 import * as Words from '../words'
 
 class BellyCrushAction extends AttackAction {
@@ -56,7 +56,7 @@ class CrushAction extends EatenAction {
   }
 
   execute (user: Creature, target: Creature): LogEntry {
-    return new LogLines(this.line(user, target, { container: this._container }), new InstantKill().apply(target))
+    return new LogLines(this.line(user, target, { container: this._container }), target.applyEffect(new InstantKillEffect()))
   }
 
   describe (user: Creature, target: Creature): LogEntry {
diff --git a/src/game/creatures/kenzie.ts b/src/game/creatures/kenzie.ts
index 5572c9d..0e8f095 100644
--- a/src/game/creatures/kenzie.ts
+++ b/src/game/creatures/kenzie.ts
@@ -1,10 +1,11 @@
 import { Creature } from '../entity'
 import { ProperNoun, ImproperNoun, FemalePronouns, Verb } from '../language'
 import { VoreType, Stomach } from '../vore'
-import { Side, Damage, DamageType, Vigor, StatDamageFormula, Stat, VoreStat, DamageFormula, StunEffect } from '../combat'
+import { Side, Damage, DamageType, Vigor, StatDamageFormula, Stat, VoreStat, DamageFormula } from '../combat'
 import { AttackAction } from '../combat/actions'
 import { LogEntry, LogLines } from '../interface'
 import { StatTest } from '../combat/tests'
+import { StunEffect } from '../combat/effects'
 
 class StompAttack extends AttackAction {
   execute (user: Creature, target: Creature): LogEntry {
diff --git a/src/game/creatures/withers.ts b/src/game/creatures/withers.ts
index c104473..a5a3f68 100644
--- a/src/game/creatures/withers.ts
+++ b/src/game/creatures/withers.ts
@@ -2,10 +2,10 @@ import { Creature } from '../entity'
 import { Damage, DamageType, ConstantDamageFormula, Vigor, Side, GroupAction, CombatTest, Stat, DamageFormula, UniformRandomDamageFormula, Action, DamageInstance, StatDamageFormula, VoreStat } from '../combat'
 import { ImproperNoun, ProperNoun, FemalePronouns, RandomWord, Adjective, Verb, POV, PairLine } from '../language'
 import { LogLine, LogLines, LogEntry, Newline } from '../interface'
-import { VoreType, Stomach, VoreContainer, Vore, NormalContainer, Container } from '../vore'
+import { VoreType, Stomach, VoreContainer, Vore, NormalContainer, Container, InnerStomach } from '../vore'
 import { AttackAction, FeedAction, TransferAction, EatenAction } from '../combat/actions'
 import { TogetherCondition, ContainsCondition, EnemyCondition, AllyCondition, PairCondition, CapableCondition } from '../combat/conditions'
-import { InstantKill } from '../combat/effects'
+import { InstantKillEffect } from '../combat/effects'
 import * as Words from '../words'
 import { StatVigorTest } from '../combat/tests'
 
@@ -197,7 +197,7 @@ class StompAction extends GroupAction {
   )
 
   execute (user: Creature, target: Creature): LogEntry {
-    return new LogLines(this.line(user, target), new InstantKill().apply(target))
+    return new LogLines(this.line(user, target), target.applyEffect(new InstantKillEffect()))
   }
 
   describe (user: Creature, target: Creature): LogEntry {
@@ -237,7 +237,7 @@ class StompAllyAction extends Action {
 
     return new LogLines(
       this.line(user, target),
-      new InstantKill().apply(target),
+      target.applyEffect(new InstantKillEffect()),
       new LogLine(`${user.name.capital} absorbs ${target.pronouns.possessive} power, gaining `, heal.renderShort())
     )
   }