I'm taking burst damage while no power detonation debuff.. While he throwing sp1 I'm taking consiste

I'm taking burst damage while no power detonation debuff.. While he throwing sp1 I'm taking consistent burst damage.. 4 sp1 he throws my health goes to 100 to 20.i am using magic.. According to his stats no effect against mystic champ if he have more then 7 buff
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