Yakan
Health Points
HP at Demonsbane Stage 1: 26,750,000,000
HP at Demonsbane Stage 2: 214,000,000,000
HP at Demonsbane Stage 3: 508,250,000,000
HP at Demonsbane Stage 4: 1,053,950,000,000
HP at Demonsbane Stage 5: 1,786,900,000,000
HP at Demonsbane Stage 6: 2,846,200,000,000
HP at Demonsbane Stage 7: 3,942,950,000,000
Please note that the Supreme effect increases the boss's maximum HP, so the HP values listed here may differ from those you see in-game.
Basic Attack Sequence
Demonic Sever: Yakan slams its sword toward its target.
Demonic Smash: Yakan swings its sword toward its target twice.
Half Moon Wave: Yakan swings its sword toward the tank, inflicting damage in a large radius.
Demonic Wind Slash: Yakan performs several sword flips in the direction of its target.
Splitter: Yakan performs an uppercut toward its target.
Yakan appears to have a randomized attack pattern, rather than a cyclical one.