So, is that a "he" or a "She"?
Most likely a "she" and it will be revealed she thought she could on't be "strong" by pretending to be a "he."
It's supposed to be "he" instead of "she"....
Likely a "she" as that's how these usually go when it starts with the "childhood friend" pretending to be a boy or is so tomboyish that they seem to be a boy.
So he waited until his friend is beaten like that before using his powers. Oh well.
Agree. Other than the line by Medis about the female cult leader being a heretic and the confusion around that possibly meaning summoners are heretics, which could be a translation issue, he knew summoners existed in this world. He just had to pretend to be a super talented, super powerful, prodigious summoner, but nooooo...author wanted to do the hide-your-power-trope.