Destiny Unchain Online ~Kyuuketsu-ki Shoujo to natte, Yagate "Aka no Maou" to Yobareru You ni Narimashita~ - Vol. 7 Ch. 56 - Core Exposure

[MangaDex]

 

[RougeGrail]

I think Crim will cheese the boss by cutting it's power source.
I don't think I've cheesed anything in a game

 

[nbcfan]

My favorite cheese is getting close to ranged bosses, since most of the time they can't do anything to hurt me while I can take them down.