Wulf reads the writings...
it is an entire wall full of spells! From the simplest cantrips to complex spells that alter reality itself, the walls are a brick spellbook.
"Hmmm... I didn't expect you to step up and read the walls. But the wizardly one is rather silent is he not? Perhpas we can help each other out. I can help you, if you release me. I am immortal in my current state and these surroundings bore me. A lot." An imp holding a staff appears suddenly appears in the far corner of the room. "Well, are you interested? I can tell you things about this place... and probably about the artifact that you seek as well." the imp smiles cunningly.