1.Beam mashing:Moves Bumping into each other and repeatably must press a button to hit the opponent example(when vegeta shot Galic Gun On Gokus Kamehameha)
2.Reflect:if a enemy reflects your move and it hits you you actuley get damaged
3.Majin Eat Update:If A Majin Fat Wraps you than eats you its like hes fused with u duration 15minExample(when Majin Buu absorbed Gotenks)
4.Weapon moves:if you get a certin number of wepon mastery you learn moves like stab and slash in melee like punch
Well thats it for Now il let you know when i get more ideas