Spider

AC 12 & HP 1 (1d4 - 1)
Speed 20 ft., climb 20 ft.
STR 2 (-4) DEX 14 (+2) CON 8 (-1)
Stealth +4, Darkvis. 30 ft., Pass. Perc. 10
Proficiency Bonus +2
Spider Climb. difficult surfaces + upside down.
Web Sense. Knows exact location of s/o in web.
Bite. Melee: +4 to hit, reach 5 ft., Hit: 1 piercing damage, + DC 9 CON saving throw or + 2 (1d4) poison damage.