Spreading Spores is a Circle of the Spores class action. While Symbiotic Entity is active, you can create a cloud of spores that deals Necrotic damage to any creature that walks through or starts its turn in the cloud and fails a Constitutionsaving throw.
Description
Seed an area in deadly spores that deal 2d8Necrotic damage per turn to all creatures that inhale them, except you and your allies.
Necrotic damage per turn to all creatures that inhale them, except you and your allies.
class action. While 
is active, you can create a cloud of spores that deals Necrotic damage to any creature that walks through or starts its turn in the cloud and fails a 
Constitution saving throw.
The spores disappear when 
Bonus action 
2d8 (2~16) 
Range: 18 m / 60 ft 
AoE: 3 m / 10 ft (Radius)