Exiled to the Abyss: Return of the Fire God 3Episode 2

Synopsis

Three years after the Old Gods fell, Ignis built a new divine realm. When a wounded mermaid princess begs for help, he uncovers a plot to destroy the three realms. Ignis leads his Flame Army to war, slays the Abyssal God, and unites the realms—only to awaken an even greater enemy.