The Hope Sphere is a class-changing item in Trials of Mana.
3D Version[]
Use : Charlotte's special item to switch to either High Priestess class if he has chosen the light path or Chaosbringer class if he has chosen the dark path.
Source : Beat Revenant in Woods of Wandara in post game
Place to Buy : Nowhere
Buy : No
Sell : No
Monster Drops : None
Note : this item is exclusive to the 3D remake.