Seems weird that all of a sudden, Law and Ceasar's fruit powers have very specific energy limits. This is something that has never ever been brought up before with any other fruit user.
This. It was super obvious that this was a trap for him, but mitigation of a completely flanderized character's one defining trait is something that will never happen.
They're obviously saving all that for the 1vs1 battles later.
After all, none of the Donflamingo family members introduced at the start of the event are even participating in these rounds.