DEATH BATTLE: Mori Calliope VS Mechikabura

Hololive vs Dragon Ball

Connections:

Both are immensely powerful beings that resides in a dark realm (the Underworld and the Demon Realm respectively) and are associated with bigger groups (HoloMyth and the Dark Empire)

Both have high statuses within said realms (Calli being the apprentice of the Grim Reaper and Mechikabura being the Dark King of the Demon Realm) and are able to transform into stronger beings (Calliope's True Form and Mechikabura's Time Power Unleashed)