Mycelium grows in three ways.
# An [[altar]] of Libila will create mycelium on randomly chosen tiles within its influence. This way is needed to start a mycelium patch, but drops in efficiency as more and more tiles picked already are infected.
# Existing mycelium spreads to nearby tiles much the same way grass and flowers spread.
# A priest/champion of Libila can cast [[Fungus]] to spawn mycelium.
# Casting Rite of Death will spawn Mycelium in which ever gods influence did the cast. This will only spread to tiles listed below. Mycelium requires Libila or [[Horde of the Summoned|HotS]] , or a HotS PMK, influence to grow and survive. If both are this is missing, the mycelium will start disappearing extremely slowlyover time.
Mycelium can grow on these [[tile]]s: