diff --git a/scripts/powerEffects.js b/scripts/powerEffects.js
index baea0ed..21caf61 100644
--- a/scripts/powerEffects.js
+++ b/scripts/powerEffects.js
@@ -141,6 +141,32 @@ class TargetedPowerEffect extends PowerEffect {
   }
 }
 
+class LingeringDamagePowerEffect extends TargetedPowerEffect {
+  get baseDurationRounds () {
+    return 1
+  }
+
+  async prepMenu () {
+    this.menuData.inputs.splice(this.menuData.inputs.length - 1, 0, {
+      type: 'checkbox', label: 'Lingering Damage (+2)'
+    })
+  }
+
+  globalModifierEffects () {
+    super.globalModifierEffects()
+    this.inputIndex += 1
+    if (this.inputs[7]) { // lingering damage
+      const doc = shim.createEffectDocument(
+        'icons/magic/death/skull-poison-green.webp',
+        `Lingering Damage (${this.name})`,
+        1
+      )
+      doc.flags.swade.expiration = CONST.SWADE.STATUS_EFFECT_EXPIRATION.StartOfTurnPrompt
+      this.effectDocs.push(doc)
+    }
+  }
+}
+
 class ArcaneProtectionEffect extends TargetedPowerEffect {
   get name () {
     return 'Arcane Protection'
@@ -166,6 +192,12 @@ class ArcaneProtectionEffect extends TargetedPowerEffect {
   }
 }
 
+class BlastEffect extends LingeringDamagePowerEffect {
+  get name () {
+    return 'Blast'
+  }
+}
+
 class BlindEffect extends TargetedPowerEffect {
   async prepMenu (token, targets) {
     this.menuData.inputs.push({
@@ -209,6 +241,12 @@ class BlindEffect extends TargetedPowerEffect {
   }
 }
 
+class BoltEffect extends LingeringDamagePowerEffect {
+  get name () {
+    return 'Bolt'
+  }
+}
+
 class BoostLowerTraitEffect extends TargetedPowerEffect {
   get name () {
     return 'Boost/Lower Trait'
@@ -304,6 +342,12 @@ class BoostLowerTraitEffect extends TargetedPowerEffect {
   }
 }
 
+class BurstEffect extends LingeringDamagePowerEffect {
+  get name () {
+    return 'Burst'
+  }
+}
+
 class ConfusionEffect extends TargetedPowerEffect {
   get name () {
     return 'Confusion'
@@ -942,9 +986,12 @@ class SummonUndeadEffect extends SummonEffect {
 
 const PowerClasses = {
   'arcane protection': ArcaneProtectionEffect,
+  blast: BlastEffect,
   blind: BlindEffect,
+  bolt: BoltEffect,
   'boost/lower trait': BoostLowerTraitEffect,
   'boost trait': BoostLowerTraitEffect,
+  burst: BurstEffect,
   confusion: ConfusionEffect,
   deflection: DeflectionEffect,
   entangle: EntangleEffect,