Like items, special abilities in Battlefield Heroes can be unlocked as your hero gains more experience.
“Wall Hack” or “6th Sense”
Allows you to see outlines of other players behind walls.
Health Boost
Allows you to “heal” your health by a small amount.
Damage Bonus
Allows you to dish out additional damage.
I Eat Grenades
Throw 7 grenades at once.
“Bomb Bouquet”
Throw 15 grenades at once.
Blasting Strike 
It seems to make everything in close parameter jump 10-feet into the air.
Frenzy Fire 
Adds fire to your bullets.
Group Heal 
Heals everybody around you. May be exclusive to the soldier class.


