Grunt Rage
Increases attack speed by X% and damage by X but the Grunt will take more damage from attacks.
Empowerment
Whenever a grunt attacks there is a X% chance that his hit points will be increased by X, lasting 2 minutes.
Slice and Dice
The Grunt catches the enemy target with one hand, and with the other rappidly applies heavy axe chops dealing X damage per chop, lasting for X seconds.
Ride or Die !
The Grunt calles his pet wolf and mounts him. While mounted it increases his movement speed by X%, damage speed by X%, and damage by X. It also increases his chance to get hitted by X%.
The "X" is for you to replace with numbers. Hopefully i helped. Good Luck with your map !