Already off to a good start.
I like how he's calling you suspicious and wanking Fate when Archimedes Noble Phantasm is literally easily available on Youtube and does precisely what it says on the tin(It's literally a Death Ray using Sunlight and reflecting mirrors at the right angles...)
Katoptron Katho Phlegon
EnglishEnglish | JapaneseJapanese Katoptron Katho Phlegon: Clustered Straws, Burn Out like the Moon (集いし藁、月のように燃え尽きよ(カトプトロン カトプレゴン), Tsudoishi Wara, Tsuki no Yō ni Moetsukiyo(Katoputoron Katopuregon)?, Greek: Κατόπτρων Κατω φλέγον, lit. "Mirrors Under Fire") is the Noble Phantasm of Archimedes...
typemoon.fandom.com
And last I checked, Archimedes isn't murdering Servants with ease at all despite basically being ludicrously smart to the point he's basically a To Aru character.