TP and Paralysis
If you want to remove paralysis without losing any items or TP? Simply walk into that character with the leader. They'll swap places, instantly removing the paralysis. Works at any time in the dungeon.
999 Strength Glitch
Have a Sovereign reach level 10 and invest a point into Fire/Freeze/Shock Arms. Cast that spell on a of party member and it momentarily raises your Strength by 3. Consistently cast it once again to completely enhance the Strength by 3 in addition to briefly enhance it by 3. Repeat the procedure up until every celebration member has a 999 Strength.