Aura Mastery has a 25% chance to return a soul when your minions die inside...

Aura Mastery has a 25% chance to return a soul when your minions die inside it, starting from effective level 3.

game/modules/tome/data/talents/spells/spells.lua

@@ -215,11 +215,17 @@ function necroSetupSummon(self, m, x, y, level, no_control, no_decay)
 		local src = self.summoner
 		local w = src:isTalentActive(src.T_WILL_O__THE_WISP)
 		local p = src:isTalentActive(src.T_NECROTIC_AURA)
-		if not w or not p or not self.x or not self.y or not src.x or not src.y or core.fov.distance(self.x, self.y, src.x, src.y) > self.summoner.necrotic_aura_radius then return end
-		if not rng.percent(w.chance) then return end
-
-		local t = src:getTalentFromId(src.T_WILL_O__THE_WISP)
-		t.summon(src, t, w.dam, self, killer)
+		if not p or not self.x or not self.y or not src.x or not src.y or core.fov.distance(self.x, self.y, src.x, src.y) > self.summoner.necrotic_aura_radius then return end
+		if w and rng.percent(w.chance) then
+			local t = src:getTalentFromId(src.T_WILL_O__THE_WISP)
+			ret = t.summon(src, t, w.dam, self, killer)
+			if ret then return end
+		end
+		if src:getTalentLevel(src.T_AURA_MASTERY) >= 3 and rng.percent(25) then
+			src:incSoul(1)
+			src.changed = true
+			game.logPlayer(src, "A soul returns to %s.", src.name)
+		end
 	end
 
 	-- Summons never flee