each rank is split into three different stages with a large gap in power.
(FIRST WORLD)
Basic:
-D, C rank (low stage)
-B, A rank (mid-stage)
-S, SS, SSS (Adv-stage)
~~~~~~
Warrior:
-basic ranked (low-stage)
-Knighthood ranked (mid-stage)
-Strategic ranked (Adv-stage)
~~~~~~
Magister:
-basic ranked (low-stage)
-Secondary Noble ranked (mid-stage)
-Kingdom ranked (Adv-stage)
~~~~~~
???:
-???
-???
-???
~~~~~~
I will show later other ranks. They aren't relevant for now :)