Seven Half-Bloods shall answer the call,

To storm or fire the world will fall,

An oath to keep with a final breath,

And foes bear arms to the Doors of Death

The Oracle stopped then looked confused. Apollo appeared. 'Sorry everyone,' he said. 'That prophecy's a bit out of date. Hera's decided that different heroes will be taking it. Now for a new prophecy.' He wrote something on a piece of paper and handed it to Chiron.

Chiron read out 'Seven Half-Bloods, former enemies united

Will go to dethrone one who has the gods defeated

He who has escaped Thanatos will hinder and help your quest

In a land where death is not always the end' Chiron finished reading. 'How do we fight someone who has killed gods?' He asked.

'You will understand in a few months' Apollo replied.

Camp Jupiter

Octavian noticed the Prophecy of Seven was gone, instead there was a new one, Seven Half-Bloods, former enemies united

Will go to dethrone one who has the gods defeated

He who has escaped Thanatos will hinder and help your quest

In a land where death is not always the end

He then tried to read the will of the gods but only got one thing: the Greeks' will join. So the Greeks had something to do with it. Interesting.