diff --git a/scripts/powerEffects.js b/scripts/powerEffects.js
index 4839d2d..baea0ed 100644
--- a/scripts/powerEffects.js
+++ b/scripts/powerEffects.js
@@ -141,6 +141,31 @@ class TargetedPowerEffect extends PowerEffect {
   }
 }
 
+class ArcaneProtectionEffect extends TargetedPowerEffect {
+  get name () {
+    return 'Arcane Protection'
+  }
+
+  get baseDurationRounds () {
+    return 5
+  }
+
+  async prepMenu () {
+    this.menuData.inputs.push(
+      { type: 'checkbox', label: 'Greater', options: false })
+  }
+
+  async prepResult () {
+    const greater = !!this.inputs[this.inputIndex]
+    const raise = this.buttons === 'raise'
+    const amount = (raise ? -4 : -2) + (greater ? -2 : 0)
+    const icon = 'icons/magic/defensive/shield-barrier-flaming-pentagon-blue.webp'
+    const name = `${greater ? 'Greater ' : ''}Arcane Protection (${raise ? 'major, ' : ''}${amount})`
+    this.effectDocs.push(
+      shim.createEffectDocument(icon, name, this.durationRounds, []))
+  }
+}
+
 class BlindEffect extends TargetedPowerEffect {
   async prepMenu (token, targets) {
     this.menuData.inputs.push({
@@ -916,6 +941,7 @@ class SummonUndeadEffect extends SummonEffect {
 }
 
 const PowerClasses = {
+  'arcane protection': ArcaneProtectionEffect,
   blind: BlindEffect,
   'boost/lower trait': BoostLowerTraitEffect,
   'boost trait': BoostLowerTraitEffect,