Defeated Terramorphous the Invincible

Allowed a Goliath to level up four times before killing him

Defeated Jack

Completed the mission "Data Mining"

Completed the mission "Where Angels Fear To Tread"

Completed the mission "The Man Who Would Be Jack"

Completed the mission "Wildlife Preservation"

Reached level 50

Killed a Constructor without it ever building another bot

Completed the mission "Plan B"

Completed the mission "Best Minion Ever"

Phaselocked 100 enemies