Trinity Seven, Vol. 18: The Seven Magicians — Kenji Saito

Drawing on Lilith's and Lilim's powers, Arata gains a new form! Meanwhile, Arin arrives at Dante's Gate only to be confronted by Farfarea of the Twelve Demon Commanders. Things are looking grim, until Yui and Levi show up to even the odds! It's one chaotic development after the next, including a possible civil war among the Demon Commanders -- could the advent of the true Demon Lord be close at hand?!