Betrayed by the Demon King, a feared undead commander regresses to his past life as a human squire named Kael. Retaining his dark mana and devastating sword skills, Kael vows to stop the impending demonic invasion. He uses his necromancy to protect his ally Elara and rewrite his tragic fate before the world falls to ruin. Written by Choi and illustrated by Studio Inus. Korean manhwa.

Read Return of the Calamity-Class Death Knight manhwa in English, updated regularly. Also known as: 재앙급 데스나이트의 귀환 · Jaeyanggeup Deseunaiteuui Gwihwan · The Return of the Disaster-Class Death Knight