Who ever had the idea of Grand checkpoints and how XP collection works in Master Resurrection mode needs to be fired.

The checkpoint spacing just makes it mind-numbing, not challenging. You are repeating puzzle areas a lot more than fights.
The Grand and Normal checkpoint distinctions are obviously pointless.
The XP wiping penalty is completely mitigated by just exiting to the map at any time and entering any level at a Grand checkpoint. It is broken...