Heroes Evolved X Overlord

Heroes Evolved X Overlord was a special collaboration crossover event hosted in Heroes Evolved. It began from December 20, 2018 to January 18, 2018.

Story
A holy light flashes in the Altar of Strife, and the Supreme Being is walking with his staff, and the dimensional barrier is broken! Ainz Ooal Gown joins his Guardians to descend into the world of Heroes Evolved, and the ruler of the Great Tomb of Nazarick holds thee Staff of Ainz Ooal Gown, singing the coming aria...

Trivia

 * Among the skins available in the game event, besides Ainz, others like Sebas Tian, Mare Bello Fiore, Narberal Gamma, Demiurge, Albedo, and Shalltear Bloodfallen were also possible to acquire.