i think you should specify what blocking should do. having it do the same (nullify any damage) as dodge would result in redundance
he should've only changed some stuff regarding heartless, energy shield is the same as always, and it was always the first to die out. the problem lies within the changes he made to the "mana-as-health" system.
BTW: i have updated my mod, it now comes with some scaling (which results in really mad scaling when you defeat the moonlord) and lower initial multipliers, so worth checking out. More Information on my mod thread
here