Genghis Khan

The king of Demons in Mythical World, ambitious and furious, who lives in the demon space. From the moment he became the king, he never stopped provoking the Saints."You don't know what is despair if you don't even try once. --Genghis Khan"-

Guide to defeat when confronting him (Stage 13-10)
Major Skills:

Walk-through:Interrupt warning skill (Demon Invasion), observe and interrupt AOE skill (Flash Strike).

1) The first warning skill (Demon Invasion) launches at 2:49 and then launches every 15-20 seconds, it needs to be interrupted.

2) Normally the AOE skill Flash Strike follows after the warning skill Demon Invasion, you need to interrupt when the Boss jumps up.