Rascar Capac is the mummy in The Seven Crystal Balls. He was ancient Incan monarch dug up by the Sanders-Hardiman Expedition. Professor Hercules Tarragon displays the mummy in his house. When lightning strikes into the chimney, it sends a fireball hurling through the living room, and the fireball crashes into Capac, vaporizing him. That night, Tintin, Captain Haddock, and Professor Calculus all have the same nightmare: Capac climbs into the room carrying a glowing crystal ball and smashes it onto the floor. What happens to the apparently resurrected mummy afterwards is unclear.
Rascal Capac in the book series.
Rascar Capac was about to throw the final crystal ball to Tintin