The Mugura is a type of Mushi that is part of a mountain's nervous system.
They have a vine-like or neuron-like appearance that transfuses with the vegetation on a mountain. They are grey or black in color.
They can combine with a Mushi Master to allow them to keep an eye on all the things happening on their mountain. Mushi masters can also undertake a ritual called Mugura Nori, which gives them temporary control of the Mugura and thus the ability to see all over the mountain.
They are weak and can be torn off by the master of a mountain or another Mushi Master.