the_blood_of_olympus_-_rick_riordan

decided to trust the wisdom of his father. Some deaths should not be prevented.
‘Goodbye, Gaia!’ Octavian yelled. ‘Goodbye, Jason Grace the traitor!’
Octavian cut the release wire with his augur’s knife.
And he disappeared.
The catapult arm sprang upward faster than Nico’s eye could follow, launching Octavian along
with the ammunition. The augur’s scream faded until he was simply part of the fiery comet soaring
skyward.
‘Goodbye, Octavian,’ Michael Kahale said.
He glared at Will and Nico one last time, as if daring them to speak. Then he turned his back and
trudged away.
Nico could have lived with Octavian’s end.
He might even have said good riddance.
But his heart sank as the comet kept gaining altitude. It disappeared into the storm clouds, and the
sky exploded in a dome of fire.