Three Unite

Percy Jackson was enjoying his time with his girlfriend Annabeth Chase when Groover speaks in his mind using the empathy link that they need him quickly at the camp. Percy and Annabeth rush to the Half-Blood hill only to find out that Rachel their Oracle had told the next Great Prophecy. Percy soon finds out that his old foe Tartarus is rising but this time he is not alone. He have summon help from deity from different mythology. Loki Norse god of mischeif and Set Eygptian God of chaos. Percy know should also need to summon help from people who have faced them before. Which means he needs Magnus Chase and Cater Kane.
Will he be able to gain trust of them?
Will he have to face this threat alone?

PS: Jason is not dead and I DONOT OWN ANY OF THE CHARACTERS FROM THIS STORY. Also I made the cover page my self hope you liked it.
Spoiler ALERT: IF YOU HAVE NOT READED THE TRAILS OF APOLLO SERIES THEN HEAD BACK.