Fixed an issue with the demons enemy being unbeatable if their throne was destroyed. If this happened to you, you can beat this enemy if you return and kill the remaining demons in the throne room.
Fixed issue with AI not using same level portal connections after saving and loading the game.
Optimized AI pathfinding across z-levels.
Optimized updating collective line of sight of minions.
Fixed portal animation not displaying when teleporting to a different level.