Download the repo: https://github.com/KAR0218/KAR0218.github.io
Host it locally via Xampp/Wamp etc. and have fun!
Edit: Or you might want to setup Payload Guest by Al Azif and use Leeful's v4 for the exploit and Payload Guest by Al Azif for the rest of your payloads. Tbh at this point it is...