I don't see any other reason why she would appear on level 1, and it can really kill your game.
There is also the issue of shadows spawned by arch-liches escaping vaults. This happens in the main game too and is equally troubling, as it forces you to open the vault to be able to explore the level.
Infinite Dungeon: Aletta Soultorn escaping vault
Moderator: Moderator
Infinite Dungeon: Aletta Soultorn escaping vault
<darkgod> all this fine balancing talk is boring
<darkgod> brb buffing boulder throwers
<darkgod> brb buffing boulder throwers