Fungi, singular fungus, are an enemy group found in Sumeru and Liyue. They are an evolved species of mushrooms with increased abilities to reproduce and protect the flora, though most people consider them to be monsters. Attempts to domesticate fungi are ongoing with some success. They are considered Tri-Lakshana Creatures and thus Pyro and Electro will have adverse effects on them. When inflicted with Pyro, they enter a Scorched state, attacking significantly slower but dealing more damage. On the other hand, Electro causes them to enter an Activated state, attacking significantly faster. Unlike other Tri-Lakshana Creatures (barring the Jadeplume Terrorshroom), once they enter a Scorched or Activated state, they stay that way until killed.

Adventurer_handbook
To put it shortly, the Fungus is the congregation of overgrown and over-evolved spores.Exposing it to Pyro or Electro will Scorch or Activate it, respectively. While in either one of said states, the Fungus will drop special materials.It is said that the infestation of Fungi is the result of a lab accident. At first, a certain sage had hopes of utilizing spores for medical purposes. If that is true, the person had clearly underestimated the spores' adaptive and reproductive powers.
Description
Fungi, singular fungus, are an enemy group found in Sumeru and Liyue. They are an evolved species of mushrooms with increased abilities to reproduce and protect the flora, though most people consider them to be monsters. Attempts to domesticate fungi are ongoing with some success. They are considered Tri-Lakshana Creatures and thus Pyro and Electro will have adverse effects on them. When inflicted with Pyro, they enter a Scorched state, attacking significantly slower but dealing more damage. On the other hand, Electro causes them to enter an Activated state, attacking significantly faster. Unlike other Tri-Lakshana Creatures (barring the Jadeplume Terrorshroom), once they enter a Scorched or Activated state, they stay that way until killed.