Armour of Shadows give 20% evasion when on unlit tile

game/modules/tome/class/interface/Combat.lua

@@ -347,10 +347,14 @@ end
 
 --- Try to totally evade an attack
 function _M:checkEvasion(target)
-	if not target:attr("evasion") or self == target then return end
-	if target:attr("no_evasion") then return end
-	
 	local evasion = target:attr("evasion")
+	if target:knowTalent(target.T_ARMOUR_OF_SHADOWS) and not game.level.map.lites(target.x, target.y) then
+		evasion = (evasion or 0) + 20
+	end
+
+	if not evasion or self == target then return end
+	if target:attr("no_evasion") then return end
+
 	print("checkEvasion", evasion, target.level, self.level)
 	print("=> evasion chance", evasion)
 	return rng.percent(evasion)

game/modules/tome/data/talents/uber/const.lua

@@ -112,7 +112,7 @@ uberTalent{
 		self:attr("darkness_darkens", -1)
 	end,
 	info = function(self, t)
-		return ([[You know how to protect yourself with the deepest shadows. As long as you stand on an unlit tile you gain %d armour and 50%% armour hardiness.
+		return ([[You know how to protect yourself with the deepest shadows. As long as you stand on an unlit tile you gain %d armour, 50%% armour hardiness and 20%% evasion.
 		Any time you deal darkness damage, you will unlight both the target tile and yours.
 		The armor bonus scales with your Constitution.]])
 		:format(t.ArmourBonus(self,t))