TwinBlast is a new mobile ranged hero that deals physical damage and has abilities that can apply on-hit effects, making him a force to be reckoned with.
The developers have increased the magical power scaling of mages a little bit, stating that it was the "simplest and cleanest" solution to buff them up.
Charon is a frontline hero that gets more difficult to defeat as the game progresses. He also has powerful abilities that can support allies along the way.