Capítulo 135: Hear Wrath Roar!  

At the same time as Leo and Morgana's adventure by the Gates of the Underworld, the alliance raid team finally arrived at the fourth floor, and it was then that all hell broke loose. 

They were more cautious this time, with Argonaut coming out first to tank whatever it was hiding outside the elevator doors. But despite expecting a knife in the dark, all they got was a wide circular room that was similar in design to the second floor. 

Warm yellow light flowing down from the giant chandelier hanging from the high ceiling greeted the party as one by one they stepped into what was basically a library.

A row of bookshelves lined the walls. Another row was stacked over the first, and another one after that, all the way to the ceiling — shelves burdened with heavy-looking tomes that Ath3na guessed hadn't been read by any except the master of the tower.