Okay I'm writing this on my phone right now, so sorry if it's not grammatically correct, or if there are any typos.
First of all, I'm sorry if the power system didn't make any sense. I did try to distinguish between Power level and social class but that's really it. This is my first serious time trying to write something for others to enjoy, so I'm kinda screwing it up a bit, I guess.
With the apology out of the way, let's get to the meat of the matter.
~Social Classes~
The social classes I've mentioned so far, are only relevant to devil society.
To differentiate between social class and power level, Social class will always be formatted as X-Class. Whether it be Low, Mid, High, or Ultimate. Also, They will always be capitalized.
So from low to high they are:
Low-Class
Middle-Class
High-Class
Ultimate-Class
Satan
On a Side note, Satan is truly just a title depicting the status of the devill's leaders. There will be no Satan rank in power level.
~Power Levels~
I've given each power level a numerical value in my head. I didn't want to clutter the story with the numbers so I'll list them here. I'll try to show where the winged creatures, Like angels and fallen angels fall as well.
Another thing, power levels will be in lower case and will be formatted like the falling. x-rank. Whether for low, mid, high, etc.
There power levels are as such:
Those Below the level of a supernatural being: 1 - 100
low-rank: 101 - 1000; 2 winged angel/fallen angel
initial-level: 101 - 400 intermediate-level 401 - 700 advanced-level: 701 - 1000
middle rank: 1001 - 3000; 4 winged angel/fallen angel
initial-level: 1001 - 1666 intermediate-level: 1667 - 2333 advanced-level: 2334-3000
high-rank: 3001 - 7000 6/8 winged angel/fallen angel
initial-level: 3001 - 4333 intermediate-level: 4334 - 5666 advanced-level: 5667 - 7000
ultimate-rank: 7001 - 15000; 10 winged angel/fallen angel
initial-level: 7001 - 9666 intermediate-level: 9667 - 12333 advanced-level: 12334 - 15000
Minor god-rank: 15001 - 30000 12 winged angels/fallen angels
Most faction leaders are in this rank. i.e. Azazel, Michael, and Yasaka. Side note: Tannin is in the ultimate-rank because his dragon aura is impure. That's my story and I'm sticking to it.
Dragon King: 15001 - 50000
Major god-rank: 30001 - 60000
Tiamat, Super devils, gods like Ares and Loki are in this rank
Heavenly Dragons: 50001 - 120000
God King-rank: 60001 - 120000
Gods like Shiva, Indra, Odin, Thor, and Hades are in this rank
Apocalypse-rank: (Great Red/Ophis/Trihexa): 120001 - Who the fuck knows
Well that's about it for now. I'll update it further if I ever make it to Shin DxD territory.
Oh and Just for reference, after training with Scathach, (Chapter 18) James' power level is around 5700. The only reason he can fight above his weight class is because of Senbonzakura. It boosts his destructive power.
One last thing, in my story, the boosted gear will double his output every 10 seconds, but his durability won't change much. balance breaker will double that, though.