They raise EP when not at a battle.
Lower magic items
-
Use items with equivalent effects to lower offensive magics.There are 8 ones with the code YE*(* is in 0 to 7).
Middle magic items
-
Use items with equivalent effects to middle offensive magics.There are 8 ones with the code YF*(* is in 0 to 7).
Upper magic items
-
Use items with equivalent effects to upper offensive magics.There are 8 ones with the code YG*(* is in 0 to 7).
Balancers
-
Use items which raise one EP and lower another.There are 8 ones with the code YH*(* is in 0 to 7).
Now under construction.