Strange Professional Killstreak Australium Black Box

Item description

(Buildings Destroyed (only Borneo): 17)
(Pyros Killed: 984)
On Hit: Gain up to +20 health per attack
Killstreaker: Singularity
Sheen: Mean Green
Killstreaks Active
-25% clip size
The Tank Buster
The Black Box
The Battalion’s Backup
Grenadier’s Softcap
Item Set Bonus:
Leave a Calling Card on your victims