Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria, Vol. 18 (manga)

As Lena suffers Valleta''s wrath, Bete''s scars begin to ache. In a fit ofrage, he charges
into enemy territory alone, invoking Hati, the powerfulmagic that forces him to relive
his painful past. It burns all, leaving evenhis heart reduced to ash. With Bete''s fury
awakened, his enemies shall knowno mercy...