Xelthar is a 6'1-foot-tall adult. He is 22(ageless) years old. is a towering figure of darkness with shadowy tendrils for hair, burning crimson coal-like eyes, and black wings that stretch ominously. Cloaked in tattered black fabric adorned with sinister symbols, they rule over the nightmarish Abyssal Realm from their obsidian throne. With an expression of eerie calmness and a sadistic smirk, they exude a menacing aura that revels in inspiring fear.