diff --git a/lang/en.json b/lang/en.json
index 1870fda..39deed3 100644
--- a/lang/en.json
+++ b/lang/en.json
@@ -382,7 +382,7 @@
       "rollProgressionCount": "Roll progression count",
       "rollProgressionDice": "Roll progression/Lethargy dice",
       "earned": "Earned",
-      "divinityPoints": "Divinity points",
+      "divinityPoints": "Grace",
       "aetherPoints": "Aether points",
       "attacks": "Attacks",
       "attackMode": "Attack Mode",
diff --git a/lethal-fantasy.mjs b/lethal-fantasy.mjs
index fc10e46..bd0471b 100644
--- a/lethal-fantasy.mjs
+++ b/lethal-fantasy.mjs
@@ -828,6 +828,73 @@ Hooks.on("createChatMessage", async (message) => {
   }
 })
 
+// Hook: deduct aether when a spell-attack or spell-power roll is posted to chat
+Hooks.on("createChatMessage", async (message) => {
+  if (!["spell-attack", "spell-power"].includes(message.rolls[0]?.options?.rollType)) return
+
+  const actorId = message.rolls[0]?.options?.actorId
+  if (!actorId) return
+  const actor = game.actors.get(actorId)
+  if (!actor) return
+
+  // Only the primary controller (player owner or GM) handles this
+  const activePlayerOwners = game.users.filter(u => u.active && !u.isGM && actor.testUserPermission(u, "OWNER"))
+  const isPrimary = activePlayerOwners.length > 0
+    ? activePlayerOwners[0].id === game.user.id
+    : game.user.isGM
+  if (!isPrimary) return
+
+  const rollTarget = message.rolls[0]?.options?.rollTarget
+  const spellId = rollTarget?.id || rollTarget?._id
+  const spell = spellId ? actor.items.get(spellId) : null
+  if (!spell || spell.type !== "spell") return
+
+  const cost = Number(spell.system?.cost) || 0
+  if (cost <= 0) return
+
+  const currentAether = Number(actor.system.aetherPoints?.value) || 0
+  const newAether = Math.max(0, currentAether - cost)
+  await actor.update({ "system.aetherPoints.value": newAether })
+
+  await ChatMessage.create({
+    content: `<p>🔮 <strong>${actor.name}</strong> casts <em>${spell.name}</em> — spends <strong>${cost}</strong> Aether <span style="color:#888;">(${currentAether} → ${newAether})</span>.</p>`,
+    speaker: ChatMessage.getSpeaker({ actor })
+  })
+})
+
+// Hook: deduct grace when a miracle-attack or miracle-power roll is posted to chat
+Hooks.on("createChatMessage", async (message) => {
+  if (!["miracle-attack", "miracle-power"].includes(message.rolls[0]?.options?.rollType)) return
+
+  const actorId = message.rolls[0]?.options?.actorId
+  if (!actorId) return
+  const actor = game.actors.get(actorId)
+  if (!actor) return
+
+  const activePlayerOwners = game.users.filter(u => u.active && !u.isGM && actor.testUserPermission(u, "OWNER"))
+  const isPrimary = activePlayerOwners.length > 0
+    ? activePlayerOwners[0].id === game.user.id
+    : game.user.isGM
+  if (!isPrimary) return
+
+  const rollTarget = message.rolls[0]?.options?.rollTarget
+  const miracleId = rollTarget?.id || rollTarget?._id
+  const miracle = miracleId ? actor.items.get(miracleId) : null
+  if (!miracle || miracle.type !== "miracle") return
+
+  const cost = Number(miracle.system?.level) || 0
+  if (cost <= 0) return
+
+  const currentGrace = Number(actor.system.divinityPoints?.value) || 0
+  const newGrace = Math.max(0, currentGrace - cost)
+  await actor.update({ "system.divinityPoints.value": newGrace })
+
+  await ChatMessage.create({
+    content: `<p>✨ <strong>${actor.name}</strong> invokes <em>${miracle.name}</em> — spends <strong>${cost}</strong> Grace <span style="color:#888;">(${currentGrace} → ${newGrace})</span>.</p>`,
+    speaker: ChatMessage.getSpeaker({ actor })
+  })
+})
+
 // Hook pour appliquer automatiquement les dégâts si une cible est définie
 Hooks.on("createChatMessage", async (message) => {
   // Vérifier si c'est un message de dégâts avec un defenderId
diff --git a/module/documents/actor.mjs b/module/documents/actor.mjs
index 52e1090..880d65f 100644
--- a/module/documents/actor.mjs
+++ b/module/documents/actor.mjs
@@ -198,6 +198,22 @@ export default class LethalFantasyActor extends Actor {
       case "miracle-power":
         rollTarget = this.items.find((i) => (i.type === "miracle" || i.type == "spell") && i.id === rollKey)
         rollTarget.rollKey = rollKey
+        if (rollType === "spell-attack" || rollType === "spell-power") {
+          const cost = Number(rollTarget.system?.cost) || 0
+          const currentAether = Number(this.system.aetherPoints?.value) || 0
+          if (cost > currentAether) {
+            ui.notifications.warn(`${this.name} cannot cast ${rollTarget.name}: insufficient Aether (needs ${cost}, has ${currentAether}).`)
+            return
+          }
+        }
+        if (rollType === "miracle-attack" || rollType === "miracle-power") {
+          const cost = Number(rollTarget.system?.level) || 0
+          const currentGrace = Number(this.system.divinityPoints?.value) || 0
+          if (cost > currentGrace) {
+            ui.notifications.warn(`${this.name} cannot invoke ${rollTarget.name}: insufficient Grace (needs ${cost}, has ${currentGrace}).`)
+            return
+          }
+        }
         break
       case "shield-roll": {
         rollTarget = this.items.find((i) => i.type === "shield" && i.id === rollKey)
diff --git a/module/documents/roll.mjs b/module/documents/roll.mjs
index 78096d3..36f38cf 100644
--- a/module/documents/roll.mjs
+++ b/module/documents/roll.mjs
@@ -272,6 +272,7 @@ export default class LethalFantasyRoll extends Roll {
       hasChangeDice = false
       hasMaxValue = false
       hasExplode = false
+      hasFavor = true
       options.rollTarget.value = 0
 
     } else if (options.rollType.includes("weapon-damage")) {