Интересное наблюдение:

Energizing Defense (Pyramid #3/4) — Looks good on paper, doesn't work in play, and is excessively fiddly when someone tries to make it work. It's simple to house rule it into utility: Forget about using it to do anything other than recover HP, FP or ER, make the character decide what he wants to recover when using it, and let him try to convert the stored charges instantly after each attack that creates charges is resolved.