Tsuihou Sareta Renkinjutsushi-san, Saikyou no Dungeon wo Tsukurimasen ka? - Vol. 5 Ch. 49

[MangaDex]

 

[CountryMage]

I have your skill's extended warranty right here, about to revoke it.

 

[UncleKaos]

But that kind of power looks deadly to the user too. he looks like he is burning up.

 

[Haru777]

So its like a reverse uno of the power of believing in yourself/friendship?