And protag is probably working towards copying powers from others Valrvn said something about him beying the "memory" power or somethin, can't remember the exact phrasing and he talks weird, so, this is just my tinfoil hat theory but get this, the protagonist was attacked by two monsters, he got 2 abilities, reading the memory of others and transmutation, of his own body initially but extended to others recently, Ella has the second one, but I don't think she has the first one, when you show up to train with her WAY BACK when you have the chance to show her the poison tendrils, if you do, she sais "Oh, then you are ready" and kills you or some shit, you get a dead end, I don't think she has that ability to read the memory and more specifically the genetic memory of things, that's why we don't see her turn into animals and such too much, I believe she had to learn the intricacies of what she turns into, and the protagonist can just copy it instinctively, they mention that Ella had finesse with her powers even on his level, wich he hasn't, when he learns to make metal, I believe he ended up reading her genetics and copying the ability from that, and not from his practice, eventually he adapted to Jake's ability and we might be slowly working towards him adapting monster powers on contact, kinda like the protagonist from Infamous Second Son
One bonus thing that kinda works with this theory is that his weakness is electricity, like he is made out of neurons or something like that, electrical currents disrupting the memory tissue and making it mutate randomly and out of control
So TLDR; protag might have the power like "Memory of the universe" or "Gaia Memory" or some edgy shit like that in the end
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