Well there is alot of players are abusing this bug right now , so why not just Report it , well First how this bug works is , you stay out arena , you open privat shop tab on u click on it then u dash into arena.
shop and dash as fast as possible into arena then you put an item into Sell and let other people drain ur health into 1 , then ur BCS god mod cant die i got a gif off someone already
using it and also a video of someone showing how.
https://gyazo.com/047e47f05c23cc5e23be033057fdb0cc
-KakaCarrotCake.