The official website of Korium (2003-2015),
OMBM from Slovakia

  

 Korium / metal-archives profile

Korium's recordings can be found on the bandcamp profiles of the labels that released its music. With the end of Korium, the musician has stopped using his pseudonym as well.  

His active black metal project from 2021 is Between Two Castles under the pseudonym Silg Bor. Between Two Castles official bandcamp profile:

Between Two Castles