Yeah I've been using sodium but I couldn't find it. I also tried phosphor and lithium but I didn't see anything related.

oh thanks for looking dude but I cant use forge or optifine for 1.16+ as of now

I usually play with dynamic FOV off but I'm not sure if there is a legal mod to disable it for 1.16.1 speedruns.

If anyone could help me out that'd be great, thanks.