@Pontos, it's a passive ability where it diminishes the bleeding effect (Mainly on Throwers) and you can get it from the ability tree all the way to the left. It's not a bug.
i got all achievements...but not the in-game achievements...but i got the universal homerun...i would if some did the outer dimensional tropie where u take da nerd 100,000 feet high....
 "Sands of the Coliseum"){kind=icon}
 "W-Zone"){kind=icon}
 "Thing-Thing"){kind=icon}
 "Gangsta Wars (Bugg Fixed)"){kind=icon}
 "Ragdoll Avalanche 2"){kind=icon}
 "zombie horde 3"){kind=icon}
 "The Final Death Wish"){kind=icon}
 "Homerun In Berzerk Land: Berzerk Ball"){kind=icon}
 "Clear Vision"){kind=icon}
 "Bowmaster Prelude"){kind=icon}
 "Bird Pax"){kind=icon}
 "Toss the Turtle"){kind=icon}
 "More Mindless Violence"){kind=icon}
 "Wolf Games Apple Shooter"){kind=icon}
 "Wallace & Gromit: Sprocket Rocket"){kind=icon}
 "Sydney Shark"){kind=icon}