User blog comment:Piyush Banerjee/Shin DxD 2 discussion/@comment-207.242.44.6-20181218202559/@comment-29963364-20181218235254

Ah. I see.

My mistake, then.

I read the translated chapter, and from what the dialogue indicates...

Base = High-class (The group of Mysterious Devils felt Issei's aura in his base and said "you must be high-class.")

Crimson Armor = Satan-class

Psuedo DxD = Super Devil-class