Apozen Overlord is a boss (level 161) with 34,000 HP found in Hall of Pain. Defeating it gives 6,666 experience.
It only fights back once you attack it.
Where to find it
| Hall of Pain | 1 | 17 min | 49, 15 |
Drops
Apozen Overlord has 3 item drops of its own; the rarest is Devil Costume at 0.99% per kill (about 1 in 101).
 Gold | 10000–20000 | 88.2% | almost every kill | Common | |
 Devil Costume | 1 | 1% | about 1 in 100 | Rare | |
 Devil Costume | 1 | 0.99% | about 1 in 101 | Very rare | |
 Alduin | 1 | 9.8% | about 1 in 10 | Uncommon | Every monster |
 Halloween Candy | 1–3 | 2.44% | about 1 in 41 | Rare | Halloween only rolled separately, straight into your bag |
One kill gives at most one of the regular drops (the rarest is tried first). Chance of no regular drop: 0%. Pet and seasonal drops are extra rolls on every kill. Items are protected for the player who made the kill for a short time.