Talk:Bright Amaterasu/@comment-24302298-20161223235412/@comment-28108155-20161224022636

Supppose BA takes 2000 damage when the 2nd skill isn't up.

Then with the skill, BA takes 200(=2000*(1-90%)) damage, and the enemy attacked BA takes 20000(=2000*1000%) damage.

It is just a speculation from the result with another card with similar skill, though.