You have Darkvision with a range of 120 feet.

You have Advantage on saving throws you make to avoid or end the Charmed condition.

You have proficiency in the Insight, Perception, or Survival skill.

You don’t need to sleep, and magic can’t put you to sleep. You can finish a Long Rest in 4 hours if you spend those hours in a trancelike meditation, during which you retain consciousness.

Your fanged bite is a natural weapon, which counts as a simple melee weapon with which you are proficient. You add your Constitution modifier, instead of your Strength modifier, to the attack and damage rolls when you attack with this bite. It deals 1d4 piercing damage + poison damage equal to your proficiency bonus on a hit. While you are missing half or more of your hit points, you have advantage on attack rolls you make with this bite. 

Your newfound spider transformation has enhanced your climbing ability.You have a climbing speed equal to your walking speed. In addition, at 3rd level, you can move up, down, and across vertical surfaces and upside down along ceilings, while leaving your hands free.

You have Advantage on any ability check you make to end the Grappled condition. You also count as one size larger when determining your carrying capacity.