Count how many characters you have, there is a reason why it’s exactly that number
We have 24 characters including a few numbers. This could hint to Base64.
A straight convert doesn’t give anything good. Change the case of the letters
Converting from Base64 gives
Playing around with the code we need to keep the L after QE has lowercase
Convert Base64 to text
Convert @ to 2 and IX to 9
Passcode format is there, go through your usual cipher routine
Atbash letters and numbers
The opposite of live is die
Somewhat like the last one !
Atbash letters only
The opposite of die is live