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.
Death Bite. The spider can, on an attack that hits, add 2d8 necromantic damage to the attack. After doing this, the spider must wait a round before attacking again.
Bite. Melee Weapon Attack: d20+5 to hit, reach 5 ft., one creature. Hit: d4+3 piercing damage plus 2d4 poison damage. The target must succeed on a DC 10 Constitution saving throw, taking the poison damage on a failed save, or half as much damage on a successful one.