This happens during The Lost Hero and ends at SoN

Characters: Alvin, Blaze, Bree, and Pjo and HoO characters

Rating: I don't know the things

Summary: When the sword of Olympus goes missing, Zeus is far to worried to notice his wife Hera's disappearance. The Olympians take notice Herakles is missing and believe he took it. Herakles believes the gods could kill a giant without the help of a demigod. He goes hunting for Hades bane Alvcenos. Bree, Blaze, and Alvin have to find Herakles before its to late.

Type: Action/Adventure/Fantasy

Prophacey:

Son of Sea accepts the quest
To his brother's final test
Three shall stop the champion's pride
That'll cause Olympus to divide
Fire shall light the way
Lightning to open the gate
Champion leads beyond the gods
Brought back by demi-gods