diff --git a/src/game/actions.js b/src/game/actions.js
index b8db4ec0..40e869d0 100644
--- a/src/game/actions.js
+++ b/src/game/actions.js
@@ -250,21 +250,24 @@ function playCard(state, {card, target}) {
  */
 export function useCardActions(state, {target, card}) {
 	if (!card.actions) return state
-	let newState = state
+
+	let nextState = state
+
 	card.actions.forEach((action) => {
 		// Don't run action if it has an invalid condition.
 		if (action.conditions && !conditionsAreValid(state, action.conditions)) {
-			return newState
+			return
 		}
-		if (!action.parameter) action.parameter = {}
 
 		// Make sure the action is called with a target, preferably the target you dropped the card on.
+		if (!action.parameter) action.parameter = {}
 		action.parameter.target = target
 
 		// Run the action (and add the `card` to the parameters
-		newState = allActions[action.type](newState, {...action.parameter, card})
+		nextState = allActions[action.type](nextState, {...action.parameter, card})
 	})
-	return newState
+
+	return nextState
 }
 
 /**
@@ -321,7 +324,7 @@ function addEnergyToPlayer(state, props) {
  * Removes health from a target, respecting vulnerable and block.
  * @type {ActionFn<{target: string, amount: number}>}
  */
-const removeHealth = (state, {target, amount}) => {
+const removeHealth = (state, {target, amount = 0}) => {
 	return produce(state, (draft) => {
 		getRoomTargets(draft, target).forEach((t) => {
 			if (t.powers.vulnerable) amount = powers.vulnerable.use(amount)
diff --git a/src/game/utils-state.js b/src/game/utils-state.js
index d4da45bf..05629843 100644
--- a/src/game/utils-state.js
+++ b/src/game/utils-state.js
@@ -47,16 +47,17 @@ export function getCurrRoom(state) {
  */
 export function getRoomTargets(state, targetQuery) {
 	if (!targetQuery || typeof targetQuery !== 'string') throw new Error('Bad query string')
-	const room = getCurrRoom(state)
 
 	// Player
 	if (targetQuery.includes(CardTargets.player)) return [state.player]
+
 	// All enemies
-	if (targetQuery === CardTargets.allEnemies) return room.monsters
+	if (targetQuery === CardTargets.allEnemies) return getCurrRoom(state).monsters
+
 	// Single enemy
 	if (targetQuery.startsWith(CardTargets.enemy)) {
 		const index = Number(targetQuery.split('enemy')[1])
-		const monster = room.monsters[index]
+		const monster = getCurrRoom(state).monsters[index]
 		if (monster) return [monster]
 	}
 
diff --git a/tests/actions.js b/tests/actions.js
index a99a81cf..b85fd079 100644
--- a/tests/actions.js
+++ b/tests/actions.js
@@ -373,12 +373,6 @@ test('Flourish card adds a healing "regen" buff', (t) => {
 	t.is(state.player.currentHealth, 72)
 	let state2 = a.playCard(state, {target: 'player', card: flourish})
 
-	// Pacify the monster...
-	// produce(state2, (draft) => {
-	// getCurrRoom(draft).monsters[0].intents = []
-	// getTargets(state, 'enemy0').intents = []
-	// })
-
 	t.is(state2.player.powers.regen, flourish.powers.regen, 'regen is applied to player')
 	state2 = a.endTurn(state2)
 	t.is(state2.player.currentHealth, 72, 'it doesnt go above max hp')
@@ -409,10 +403,7 @@ test('target "allEnemies" works for damage as well as power', (t) => {
 	t.is(room.monsters.length, 2, 'we have two enemies')
 	t.is(room.monsters[0].currentHealth, 24)
 	t.is(room.monsters[1].currentHealth, 13)
-	t.falsy(
-		room.monsters[0].powers.vulnerable && room.monsters[1].powers.vulnerable,
-		'none are vulnerable',
-	)
+	t.falsy(room.monsters[0].powers.vulnerable && room.monsters[1].powers.vulnerable, 'none are vulnerable')
 	const card = createCard('Thunderclap')
 	const nextState = a.playCard(state, {card})
 	t.is(getRoomTargets(nextState, 'enemy0')[0].currentHealth, 24 - card.damage)
@@ -508,3 +499,13 @@ test('upgraded cards are really upgraded', (t) => {
 
 test.todo('playing defend on an enemy ?')
 test.todo('can apply a power to a specific monster')
+
+test('"Deal damage equal to block" mechanic works', (t) => {
+	const {state} = t.context
+	t.is(state.player.currentHealth, 72)
+	t.is(getRoomTargets(state, 'enemy0')[0].currentHealth, 42)
+	const state2 = a.playCard(state, {card: createCard('Defend'), target: 'player'})
+	t.is(state2.player.block, 5)
+	const state3 = a.playCard(state2, {card: createCard('Body Slam'), target: 'enemy0'})
+	t.is(getRoomTargets(state3, 'enemy0')[0].currentHealth, 42 - 5)
+})