As of now the Empress band and the Emperor Band are Limited.
[Emperor Band]
Experience point bonus: +50% Maximum duration: 720 min. Maximum bonus: 30000
[Empress Band]
Experience point bonus: +50% Maximum duration: 720 min. Maximum bonus: 15000
Cannot Wield Both.
Idea to change them
[Emperor Band]
When in Slot Only, Experience/Merit point bonus: +50%
Lv.1
[Empress Band]
When in Slot Only, Capacity point bonus: +50%
LV.99
No more wait time to use, always active.
Does Not Stack with other EXP Ring, Exp Trust, EXP Chests.
This is how i would change those. Feel Free to comment.