> [!quote] Dungeon Master's Guide 2024 p. 358 > "*Kas* (*KOSS*) is a [[Vampire]], legendary swordfighter, and ruthless warlord. He once served as the leader of [[Vecna]]'s armies and the lich's most trusted lieutenant, and he wielded a sword made for him (the [[Sword of Kas]]) by his liege. But the evil sword convinced *Kas* to betray [[Vecna]], and now *Kas* is driven primarily by his hatred for his former lord."