Guys what does most speedrunner use like fe666 reginex and more to check their resets i have seen that in a video about fe666 how does it work and how to use it plzz tell me ???

hwat?

Do you mean the reset script?

yaa the reset script or whatever

https://gist.github.com/onvo1/90365dcc00b3fdffc3eeccb57fc705f1?