For 10 points, name this struggle between the Olympians and some children of Tartarus and Gaia, a sequel to the Titanomachy.
According to Pindar, this event was triggered when a native of Pallene or Phlegra stole the cattle of Helios. A prophecy about this event led Zeus to grope about in search of an invincibility herb after he ordered the Sun and Moon to stop shining. The prophecy about this event also mentioned needing a "lion-skinned mortal," so Athena went off to recruit Heracles, who had to carry Alcyoneus out of Phlegra in order to kill him. Mount Ossa was piled on Mount Pelion by Otus and Ephialtes during this battle. For 10 points, name this struggle between the Olympians and some children of Tartarus and Gaia, a sequel to the Titanomachy.
According to Pindar, this event was triggered when a native of Pallene or Phlegra stole the cattle of Helios.
{Gigantomachy} [accept {Revolt of the Giants} or {Battle with the Giants} or equivalents]\