Web is a 
Bonus Action and 
Action. Spiders use this ability to shoot out webbing that can entangle creatures.
Description
Available only in combat.
Expel a thick, flammable webbing that slows creatures within and possibly 
them.
Properties
- Cost:
-
Bonus action - Details:
-
Range: 18 m / 60 ft -
AoE: 3 m / 15 ft (Radius) - Creates Area: Web
-
DEX Save (Spell save DC)
Area: Web
How to learn
Used by creatures: Wild Shape: Spider, Wolf Spider Companion, Smaller Giant Spider, and Larger Giant Spider