For those who don't know, even tho Fate completely chose to ignore that (as in, in Fateverse, it never happened and I don't even think they ever met/spoke/gave a shit about one another), there's one of the infamous legend about how Medusa got her Gorgon look.

Basically (because gods are assholes), there's a version of Medusa's story where Poseidon raped her in Athena's temple (she went there seeking protection, thinking the "holy" status of the temple would make it a safe place (kinda like the right to Sanctuary offered by churches (you know you've seen The Hunchback of Notre Dame at least once lol)), and, like I said, gods being utter assholes, Athena went mad on MEDUSA AND NOT POSEIDON (How dare you get raped in my temple u bitch), and cursed her (and you know the rest, the snake hair, the statues, Perseus, yadi yada).

So, it's an old meme, but yeah, I wanted to avenge the girl a bit, so I took her to break Poseidon's back AT all 3 fights.

REVEEEEEEEEEEEEEEEEENGE FOR BEST AVENGER!