https://www.etymonline.com/word/OK#etymonline_v_2557
Also, you reminded me of one of my favourite Wikipedia pages (see Examples section): https://en.wikipedia.org/wiki/List_of_gairaigo_and_wasei-eigo_terms
Consider using FSR to scale from 720 to 1080; I'm not sure about Windows / Nvidia but it's built in to Steam Deck and I use it to play on a 1080 monitor without the performance hit.
Each enemy gives you a set amount of runes (souls) that you can use to level up, harder enemies give more.
@Borat
@lemmynsfw.com