Tower of Legend Episode 8

Kaaya is stricken by some unknown illness. The party is puzzled by this illness whose name and symptoms seem rather sketchy. Jil, in all his naïveté, sets out to search for the cause of this mysterious ailment. They finally arrive where the answer supposedly lies. Only, the place turns out to be nothing like any other floor in the Tower they have visited so far! What are the challenges that await Jil and his friends in this strange and unknown area?