Legacy. The System Reference Document 5.2.1 has no 2024 version of this creature, so these stats use the 2014 rules (SRD 5.1).
The Swarm of Spiders is a Medium beast, with Armor Class 12, 22 hit points, and Challenge Rating 1/2. A Swarm of Spiders is a collective mass of tiny arachnids that overwhelms its prey by flowing into their physical space.
Swarm. The swarm can occupy another creature's space and vice versa, and the swarm can move through any opening large enough for a Tiny insect. The swarm can't regain hit points or gain temporary hit points.
Spider Climb. The swarm can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Web Sense. While in contact with a web, the swarm knows the exact location of any other creature in contact with the same web.
Web Walker. The swarm ignores movement restrictions caused by webbing.
Common Questions
How much HP does a Swarm of Spiders have?
22 hit points.
What is a Swarm of Spiders's Challenge Rating?
Challenge Rating 1/2.
What is a Swarm of Spiders's Armor Class?
AC 12.
How fast can a Swarm of Spiders move?
Speed 20 ft., climb 20 ft.
Use Swarm of Spiders at your table
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License
This work includes material taken from the System Reference Document 5.1 ("SRD 5.1") by Wizards of the Coast LLC and available at https://dnd.wizards.com/resources/systems-reference-document. The SRD 5.1 is licensed under the Creative Commons Attribution 4.0 International License available at https://creativecommons.org/licenses/by/4.0/legalcode.
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