Talk:Kessaran, the Undying/@comment-28199147-20170422132937

5% damage for chaos campaign is subject to main part only that kill the monster, not total health of the monster.

Kessaran has 750 M total health, and only 500 M (Head part) that can kill him. So damage required for easy campaign is 5% x 500 M = 25 M, instead of 37,5 M.