Multiverse power scale
The early stages are based on dxd
Categories
Tier 10
Regular humans, animals, and other creatures with absolutely no magical power.
Tier 9
Anyone from the weakest magic user (including but not limited to Issei when he was initially revived) to just below the average low-class devil. Can also apply to sorcerers who've just started their training.
Tier 8
The varying power degrees of a normal low-class sorcerer, devil, angel, fallen angel, etc. Also applies to most magical creatures.
Tier 7
Middle class.
Tier 6
High-class magical power.
Tier 5
Ultimate class.
Tier 4
Satan, Low to mid class god, dragon kings
Tier 3
Super Devils, god King's, heavenly Dragons.
Tier 2
Dragon gods and conceptual beings
Tier 1
Universal beings; beings that can create a single universe with consequences ofcourse.
Tier α
Low multiversal beings; able to create a universe without side effects
Tier Ω
Mid to high multiversal beings: able to create a multiverse such as marvel and dc
Tier ∞
Infinite power, only accessible to outerversal gods such as azatoth. Able to create a single omniverse.