The Swamp of Sacrifice, a swamp located on the planet of Dathomir, served as a habitat for creatures such as nydaks in addition to bane back spiders. A diverse collection of flora adorned the environment, with examples including Bleeding Guts, several kinds of fungi, Hydraatis, and also Mushlings. Found within the swamp's boundaries was a dilapidated arena that once belonged to the nightbrother.