Category page for R-Grade allies, which feature 8 darkened (as opposed to the standard gold) stars and therefore surpass U-Grade.
They are currently the highest class of units and eventually items.
R-Grade icons feature a ornamented crimson background, in contrast to the U-Grade's black one, complementing their crimson base scheme.
R-Grade can be enhanced up to 10 times before reaching MAX status.
The first R-Grade units were Overlords.