Fire Storm: Normal attacks place a mark on the target, dealing (18 + level x0.5) magic damage each stack (ranged attacks deal 75% of the damage), up to 6 stacks
Hunter: Deals 30% extra damage to monsters and receives 30% more experience from killing monsters.
Wild: Increases attack speed by 2% for every monster killed. Stacks up to 15 times.
Scorching Wind is one of the Items in Arena of Valor. It gives a little attack damage, but it is an item more focused on attack speed. For every monster you kill, you get 2% more attack speed. This can be stacked 30 times. Its other passive allows you to place a mark on a target, which deals 18+0.5lvl magic damage each stack, up to six stacks.