Tower of God, 13

Bam and Khun are reunited! After years apart, the two friends will meet again under very different circumstances than when they parted ways... Bam is now known as Jue Viole Grace, an aspiring assassin for the Fug clan, a criminal organization operating throughout the Tower, whose dark plans for our hero are anything but friendly... Meanwhile, Khun has been assembling the best team to storm the top of the Tower of God and rescue Bam. The thrilling Battle of the Laboratory is approaching...