Make it so that your names can be changed with a sub card and k/d ratio can be resetted with it too, as they are more accessible to get as opposed to gems or at least make gems tradeable ingame.

Also make char deletion free with a 1 week recoverable window like V1 or instant, as I don't think most people would pay money just to delete their own chars that they dont want anymore. It saves a lot of hassle from making newer forum accounts when char slots are limited per forum when you can delete right away to free up existing forum slots.