For this Challenge, you need to kill Goliaths. It doesn't matter which version of the Goliath you kill, as when you shoot off their helmet, they go berserk and kill friend or foe, leveling up and getting stronger. Since Bandits are very common, you'll almost always find at least one Goliath among them.
- Rank 1: Kill 10 Goliaths
- Rank 2: Kill 25 Goliaths
- Rank 3: Kill 50 Goliaths
- Rank 4: Kill 80 Goliaths
- Rank 5: Kill 120 Goliaths