Arbok is a Poison-type Pokémon that resembles a large cobra. It evolves from Ekans starting at level 22. Arbok is known for the distinctive face-like pattern on its hood, which it uses to intimidate opponents and prey. It can constrict and poison its foes with venomous fangs. It inhabits grassy savannas, plains, and forests, and it is known to be territorial and vengeful. Some key features of Arbok:

• It has a large hood with scary patterns, with more than 20 possible variations.
• It can coil around opponents and crush them.
• It can regenerate its body if parts (except the head) are cut off.
• It can survive in aquatic environments and detect vibrations.
• It hunts smaller Pokémon and uses its hood pattern to immobilize prey.
• Arbok is named by spelling "cobra" backward, but replacing the "c" with a "k."
• Abilities include Intimidate, Shed Skin, and Unnerve.
• Weak to Ground and Psychic moves.

Arbok has appeared in various Pokémon media, including the anime where Jessie had an Arbok originally evolving from an Ekans. In games, Arbok has moves like Coil, Sucker Punch, Seed Bomb, Earthquake, Crunch, Rock Slide, Iron Tail, Aqua Tail, and Gunk Shot, with a strategy involving boosting its stats with Coil and paralyzing foes using Glare. Overall, Arbok is a serpentine snake Pokémon known for its venom, intimidation tactics, and iconic hood pattern.