diff --git a/game/modules/tome/data/talents/spells/age-of-dusk.lua b/game/modules/tome/data/talents/spells/age-of-dusk.lua
index cfa6d7a33779ff25839139aab7de804b7743408b..e4e0ee128537249f44569a3fd3534030acd990fd 100644
--- a/game/modules/tome/data/talents/spells/age-of-dusk.lua
+++ b/game/modules/tome/data/talents/spells/age-of-dusk.lua
@@ -155,7 +155,7 @@ newTalent{
 	info = function(self, t)
 		return ([[You recall the age long gone where necromancers had free reign over the world.
 		Increases all saves by %d, confusion and teleport resistances by %d%%.
-		At level 5 any time you cross the 1 life threshold you become invulnerable for 2 turns.]])
+		At level 5 any time you cross the 1 life threshold you become invulnerable for 1 turns.]])
 		:tformat(t:_getSaves(self), t:_getImmune(self))
 	end,
 }
diff --git a/game/modules/tome/data/timed_effects/magical.lua b/game/modules/tome/data/timed_effects/magical.lua
index 439577f2db4367dba40f40b285c94a86c319ec28..6fd43144b44043a548bcb271d326821492f8b50b 100644
--- a/game/modules/tome/data/timed_effects/magical.lua
+++ b/game/modules/tome/data/timed_effects/magical.lua
@@ -4927,6 +4927,7 @@ newEffect{
 	on_lose = function(self, err) return nil, true end,
 	activate = function(self, eff)
 		self:effectTemporaryValue(eff, "invulnerable", 1)
+		eff.dur = 0 -- Force one turn
 	end,
 }