In 2 Kings 4 & 5, we see Elisha has special authority, power and insights given to him by God.
He performed so many miracles: oil keep pouring, prophesied that the Shunammite woman will give birth to a son, restored the boy from death to life, horrible taste stew-flour, feeding the hundred, Naaman, the great commander cured of his leprosy by following his instructions, and his spirit was with Gehazi when he went after Naaman to extract a gift from him; he and his descendants was cursed wih leprosy.