Spider

Tiny beast, unaligned

Armor Class: 12
Hit Points: 1 (1d4 - 1)
Speed: 20 ft., climb 20 ft.

STR: 2 (−4)
DEX: 14 (+2)
CON: 8 (−1)
INT: 1 (−5)
WIS: 10 (+0)
CHA: 2 (−4)

Skills: Stealth +4
Senses: darkvision 30 ft., passive Perception 10
Languages: —
Challenge: 0 (10 XP)

Spider Climb. The spider 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 spider knows the exact location of any other creature in contact with the same web.

Web Walker. The spider ignores movement restrictions caused by webbing.

Actions

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one creature. Hit: 1 piercing damage, and the target must succeed on a DC 9 Constitution saving throw or take 2 (1d4) poison damage.

Running this fight? Add the spider to the initiative tracker: type its name and the AC, hit points and initiative bonus fill in, and the book button shows this stat block mid-fight.