Crystal of Reunion X Overlord

Crystal of Reunion X Overlord (クリスタル オブ リユニオン x オーバーロード) was collaborative game event hosted in the smartphone app game Crystal of Reunion featuring characters from Overlord. It was held from April 20, 2020 to May 10, 2020.

Story
A collaboration with the popular anime "Overlord" is being held. In addition to popular characters such as "Ainz" and "Albedo" appearing as heroes. The heroes will feature original scenarios and special voices. Ainz exclusive skin, Momon, will also be available.

Clementine from “Overlord” will appear in the boss battle and players will be able to collect the materials in the quest to forge collaboration weapons.

Trivia

 * A total of four characters from Overlord were available to be playable in this collaboration.
 * Ainz Ooal Gown was be available as a log in bonus, as well as a special limited Overlord card within the game. For Japanese residents, a 5,000 yen Amazon card could be earned.