There are multiple artists under this name.
1) Tokyo death-doom metal/beatdown hardcore founded in 2017 | (Vocals and Guitars: Zuma // Guitar: MCD // Bass: SE7 // Drums: Mani) https://www.kruelty666.com
https://kruelty666.bandcamp.com
2) Dutch producer focused on hard techno and industrial hardcore-inspired hardstyle music with dark themes. From the darkest depths of the underground, Kruelty is here to bring you an uncompromising blend of Hardstyle, hard techno and industrial hardcore.