the true greater grail was a tool itself to counter the Beasts... i think yeah, it can

Not all humans have magic circuits, that's why magus were very rare... and Medea wasn't directly absorbing mana from ordinary humans, but converting their lifeforce into prana that she can use

Yamamoto's Zanpaktu spirit wasn't even shown in the canon? What's your point?

thank you for your understanding hahahaha I'm honestly having a lot of trouble scaling his powers to MHA

kind of...and a really good one

Well i thought that considering he have with him a little girl that look like her sister which contradicts the info he read before he'll confirm some things with Tsukauchi first before making a move, that's why he went really fast... we'll i'll just clear things up next chap

that's just me putting the mystery so that other's will watch the movie. hahaha or was it that confusing?