The Boomer Core is a monster drop that can be found in the Nightmare. It can be found from various sources and locations throughout the Frontier including but not limited to:
- A common drop from a Boomer.
In appearance, the Boomer Core is a battery with many striped patterns seen throughout it. A pair of cords can also be seen on both sides of the core. If the player has no purpose for the Boomer Core, it can be sold for 30,000 gold.