The smoke clears, but the fire near the stairwell still remains. It looks like jumping through the fire might be the only answer at this point. If Harley manages to do so, she'll notice the interior of the building and three people standing around. The loud noise can be tracked back to the destroyed floor, which looks like it had a bunch of large rocks thrown into it.

Chara is visibly gone. Looks like the end is nigh for this revel, since the master of the festivities in standing before Adia and Caspar, visibly injured.