Talk:Mephistopheles/@comment-202.62.17.140-20170929124117/@comment-175.158.216.3-20171203152004

Medea's rule breaker only removes the debuffs after they have been cast, and in the goetia fight, he casts these buffs and his NP in the same turn so you don't have a chance to use medea's rule breaker to remove his buffs.

mephisto's third skill prevents the buffs from applying (np damage up and invul pierce) so you can apply invincibility or evade for his NP.