Larian Studios Forums Divine Divinity (English) General i cant get into the demon of lies room

I defeated all of his mages and made my way to his chamber but somehow i cant get into his room i also checked around corner, there is a level but when i clicked on it nothing happen usually those levels for those teleporters but I find no teleporters in that room

There are 2 'levers', one on the west side of the building, and one on the east. It is normal that there is no feedback sound effect for them.
If you have trouble exploring the building, click on the other side of walls; if there is a hard-to-see door close, your character will head towards it.