The Grand Thunderbird is the first Terraria Thorium boss.
Kill Count
None
Survivors
- Amber K., Whisk, Luna, Caketastesgood, Nate, Leaf (Inro's Terraria Thorium)
- SyKo, Raio, Cheez-It, JR, Ross, SpaceFenix, Omegers (Terraria SyKore)
- Sketch, Erza, Hammy, Jamie (Psycho Girlcore), Valerie, Will, Resident (Delta Terraria Thorium)