- v1c2 by Babo Kim ScansDec 22, 2022
- v1c1 by Babo Kim ScansNov 16, 2022
This is a spin-off of "One Last God Kubera" by the same author. KubeRag Arena is a promotion for the mobile game "Ragnarok Arena" that recently released in Korea.
Two of the original story's characters find themselves on a strange planet amidst their travels. They are given the mission to calm berserking Monsters to find a way back to their original world.