- Main article: Halfus Wyrmbreaker
The Nether Scion is a nether drake that has been captured by Twilight's Hammer and is being held in the Bastion of Twilight.
- Nether Blindness — Upon being released the Nether Scion shrouds Halfus's eyes with a thick fog, impairing his vision and reducing his chance to hit, attack speed, and damage done by 25%.
- Dragon's Vengeance — The Nether Scion curses Halfus as it dies, causing Halfus to take 100% increased damage. This effect stacks.