Judas - a former private military stalker Slaven Khorsin, due to the hardships of service and a broken psyche as a result of it, ran away and joined "Sin", but distinguished himself with special devotion to Chernobog - the leader of the group, has a changeable character, hates military stalkers, bandits and debtors, nickname Judas got it when he led a group of renegades under the guise of a stalker guide and kissed the hand of the group leader goodbye, after which they were all shot. But he beca