MY ACCOUNT IS HACKED!! EMAIL HAS BEEN CHANGED!!

So basically bymistake I logged into a fake riot's login website while watching a fake tenZ stream which I was unaware about and the moment I logged within few minutes the email of my account was changed. I am attaching all the proofs and I have invested over 50,000 INR in the game PLEASE HELP ME OR ELSE I WILL LITERALLY DIE T_T. OLD ACCOUNT USERNAME - nocareaccount.