I knew it the moment he used a skill again. The better way to fight an opponent who can steal your skills is by giving them a skill disadvantageous to them :D
This arc reminds me 'Infinite Mage', where MC fought a somewhat-Mage who could steal spell/skill/magic under some circumstances'..
I knew it the moment he used a skill again. The better way to fight an opponent who can steal your skills is by giving them a skill disadvantageous to them :D