Arbok is a serpent like Pokémon with purple scales all over its body. It has a large hood just below its head. On its hood, it has a pattern much like an angry face, which can come in over 20 possible variations. The pattern typically has red and yellow eyespot outlined it black, a wide black streak resembling a mouth, and a V-shaped stripe about the face pattern.

Arbok is capable of crushing opponents by coiling its body around them and squeezing them tightly. It can even flatten steel oil drums. If it encounters an enemy, it raises its head, mimics and stuns the opponent using the frightening pattern on its body, and makes eerie sounds by expelling air from its mouth. It has been stated that if any part of Arbok's body except for the head is cut off, it can regrow the rest of its body again in a matter of a few weeks. It also has the ability to detect vibrations as shown in the anime. Arbok has been known to be capable of spending long periods underwater and surviving in aquatic environments. One particular Arbok could change its pattern at any time to increase power to different stats and get invulnerability to status conditions, if the pattern is uncovered.

Arbok is territorial. It lashes out at intruders with long fangs tipped with deadly venom. With a vengeful nature, it will not give up a chase once it targets its prey or an opponent, no matter how far. It makes its home in grassy savannas and plains. In the wild, it hunts smaller Pokémon, using the pattern on its hood to immobilize prey and using its toxic bite to finish them off and eat them. It is also capable of paralyzing opponents with its former signature move, Glare.

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Regigigas Here Voice:

Regigigas is a large, white, golem-like Pokémon with seven black circular "eyes" arranged in a specific pattern. The pattern is Regigigas's way of showing its anger; its eyes glow red when it is provoked. It has six spots that are apart from its eyes, which appear to be gemstones. These gemstones seem to represent the other three Regis, with red gems representing Regirock, blue gems indicating Regice, and silver gems representing Registeel. It has long arms, with three fairly human-like white fingers, and short legs that end in large mossy bushes instead of feet. Regigigas has large yellow bands on its shoulders and wrists, with a sloping section on its chest that appears to be its head and is also yellow. Its body is covered in black stripes, and it has moss growing in its back and feet. According to Sinnoh legend, Regigigas's strength enables it to move continents.

Regigigas is a skilled craftsman. It created golems out of inanimate objects and brought them to life. Regigigas is also capable of controlling these Legendary titans, even if they already belong to a Trainer. It can also survive extreme conditions as it is able to work with the boiling temperatures of magma (1300-2400 °F [700-1300 °C]) as well as frigid ice (-328 °F [-200 °C]). When Regigigas is disturbed from its slumber, it goes on a rampage and shoots powerful beams of energy. When it is befriended, however, it is calm and gentle, as seen in Pillars of Friendship!. It is able to crush targets by using its signature move, Crush Grip.

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