Bloodrun Cave is a cave east of the Niben Bay and the Nibenay Valley, south of the Panther River, near the Seran Camp and Kindred Cave.
Its entrance is marked by zombie bodies put there as warning signs. The entrance faces out towards the river.
The cave is a Necromancer hideout, and contains coffins in a significant quantity. Old stone ruins can be found throughout the one-level cave. Cairn Bolete can also be found inside.