Encephalon Cluster

D&D 2024 monster: Encephalon Cluster. Source: Phandelver and Below: The Shattered Obelisk. challenge rating 10, creature type Aberration, Large size, speed 2... An encephalon cluster pays no heed to an elder brain or its mind flayer progenitors. This grotesque creature shambles through dark and forgotten caverns, spewing warped progeny so it can multiply. As such, many mind flayers view encephalon clusters as insidious viruses. If left unchecked, a single encephalon cluster can quickly become a gorging menace that can overrun an entire mind flayer colony. Encephalons When an illithid colony lays its eggs dangerously close to a Far Realm rift, an egg sac has a chance to mutate into what is known as an encephalon cluster-a ravenous, slimy, psionic, brain-shaped mass that spawns horrors called encephalon gemmules. Aberration Large 20 ft.