Killed the Vault Boss

Discovered Crimson Lance Enclave

Earned $1,000,000

Killed the Rakk Hive

Killed Krom

Reached proficiency level 10 with any weapon type

Killed 25 enemies with corrosive weapons

Earned level 20

Completed "The Golem in Honnleath" ("The Stone Prisoner" downloadable content)

Killed 25 enemies by ramming them with any vehicle

Applied an elemental artifact

Defeated the Rakk Hive, the Vault Boss, Sledge, Krom, or Flynt in a co-op game

Rescued a groupmate from death in a co-op game