Email problems

Hey, got a big one here,

I create this acc in 2015, i used to have my gmail address.
i never enable the 2 factor aut, now i want to cuz i need to buy in store.
the problem is that my gmail address got banned from google cant acess to it never more, so i need any solution to change email to another one, i can prove my identity or whatever u need, ty

https://www.warmane.com/account/settings -> settings -> change email

if it does not work, because maybe requires to still have access to your old email address, you can contact [email protected] for support