Spider, Giant Wolf 2014
CR 1/4 beast
Medium beast, chaotic evil
The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
The spider's long jump is up to 20 feet and its high jump is up to 10 feet, with or without a running start.
Actions
Melee Weapon Attack: +4 to hit, reach 5 ft., one creature. Hit: 5 (1d6+2) piercing damage, and the target must succeed on a DC 12 CON save or take 5 (2d4) poison damage. If the poison damage reduces the target to 0 HP, the target is stable but poisoned for 1 hour, even after regaining HP, and is paralyzed while poisoned in this way.
Bonus Actions
The spider jumps up to 20 feet horizontally or up to 10 feet vertically toward a hostile creature that it can see. This movement doesn't provoke opportunity attacks.
Source: Black Flag SRD (Kobold Press) · License: Creative Commons Attribution 4.0 details