Shoot projectile on client/ server does not work well

dude, i know, right? this is the part i hate about game dev. i can make inventory, quest, raid, complex progression systems or anything related to pure coding and logic, but when it comes to this. im like ah, uh, um.

yea, i think this would be the best for me now. Roblox anti cheat does stop normal injectors which i am really glad for.