Genagar evolution has 3 faces from basic form to gengar. Firstly, Gastly is the primary and most basic form which is a gas ball like structure. When it reaches level to 25 then it can evolve into a hunter which has a half grown body. After the training hunter evolves into the gengar which is fully grown form. It is a ghost and poison type pokemon. It has mega evolution capabilities such as Mega gengar or Gigantamax Genger.
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