Index: game/engines/default/engine/GameEnergyBased.lua
===================================================================
--- game/engines/default/engine/GameEnergyBased.lua	(revision 3708)
+++ game/engines/default/engine/GameEnergyBased.lua	(working copy)
@@ -77,7 +77,7 @@
 			if e.energy.value < self.energy_to_act then
 				e.energy.value = (e.energy.value or 0) + self.energy_per_tick * (e.energy.mod or 1) * (e.global_speed or 1)
 			end
-			if e.energy.value >= self.energy_to_act then
+			if e.energy.value >= self.energy_to_act or e.doForceAct and e:doForceAct() then
 				e.energy.used = false
 				e:act(self)
 			end
@@ -104,7 +104,7 @@
 			if e.energy.value < self.energy_to_act then
 				e.energy.value = (e.energy.value or 0) + self.energy_per_tick * (e.energy.mod or 1) * (e.global_speed or 1)
 			end
-			if e.energy.value >= self.energy_to_act then
+			if e.energy.value >= self.energy_to_act or e.doForceAct and e:doForceAct() then
 				e.energy.used = false
 				e:act(self)
 			end
Index: game/modules/tome/class/Actor.lua
===================================================================
--- game/modules/tome/class/Actor.lua	(revision 3708)
+++ game/modules/tome/class/Actor.lua	(working copy)
@@ -323,6 +323,15 @@
 	end
 end
 
+-- Checks if actions intended to occur on game turns need to be forced to happen this game turn (needed if actor is slowed or drained of energy)
+function _M:doForceAct()
+	local actturn = math.floor(game.turn / (game.zone.wilderness and 1000 or 10))
+	local nextturn = math.floor((game.turn + 1) / (game.zone.wilderness and 1000 or 10))
+	if not self.last_act_turn then self.last_act_turn = actturn - 1 end
+
+	return actturn ~= nextturn and actturn > self.last_act_turn
+end
+
 function _M:act()
 	if not engine.Actor.act(self) then return end
 
@@ -364,7 +373,7 @@
 	end
 
 	-- Auto stealth?
-	if self:isTalentActive(self.T_AUTOMATIC_STEALTH) and not self:isTalentActive(self.T_STEALTH) then
+	if self:isTalentActive(self.T_AUTOMATIC_STEALTH) and not self:isTalentActive(self.T_STEALTH) and self.energy.value >= game.energy_to_act then
 		local t = self:getTalentFromId(self.T_STEALTH)
 		if self:preUseTalent(t, true, true) and not self:isTalentCoolingDown(t) then
 			self:useTalent(self.T_STEALTH)
Index: game/modules/tome/class/NPC.lua
===================================================================
--- game/modules/tome/class/NPC.lua	(revision 3708)
+++ game/modules/tome/class/NPC.lua	(working copy)
@@ -34,10 +34,12 @@
 end
 
 function _M:act()
+	-- Do basic actor stuff
+	if not mod.class.Actor.act(self) then return end
+	local firstpass = true
 	while self:enoughEnergy() and not self.dead do
-		-- Do basic actor stuff
-		if not mod.class.Actor.act(self) then return end
 		local old_energy = self.energy.value
+		if not firstpass and not mod.class.Actor.act(self) then return end
 
 		-- Compute FOV, if needed
 		self:doFOV()
@@ -56,6 +58,7 @@
 
 		if not self.energy.used then self:useEnergy() end
 		if old_energy == self.energy.value then break end -- Prevent infinite loops
+		firstpass = nil
 	end
 end
 
Index: game/modules/tome/class/WorldNPC.lua
===================================================================
--- game/modules/tome/class/WorldNPC.lua	(revision 3708)
+++ game/modules/tome/class/WorldNPC.lua	(working copy)
@@ -164,10 +164,11 @@
 end
 
 function _M:act()
+	-- Do basic actor stuff
+	if not mod.class.Actor.act(self) then return end
+	local firstpass = true
 	while self:enoughEnergy() and not self.dead do
-		-- Do basic actor stuff
-		if not mod.class.Actor.act(self) then return end
-
+		if not firstpass and not mod.class.Actor.act(self) then return end
 		-- Compute FOV, if needed
 		self:doFOV()
 
@@ -176,6 +177,7 @@
 		self:doAI()
 
 		if not self.energy.used then self:useEnergy() end
+		firstpass = nil
 	end
 end