When Percy and Leo got back from Atlantis, they found out that all of their friends got sucked in a Dimension Gateway, that Leo was working on, towards multiple dimensions. Now, it is up to the both of them to bring them back, before the Gods realize that their kids have been thrown into another dimension. (Literally Multiple AUs, Rated T for really weird stuff.)
AU: Jack Frost was always the guy who always have a tough time fitting in. Almost no friends, no talents, not even a girlfriend. But, his life got turned upside down when he discovers he is part of something very important. Something that is going on from generations (Jelsa but it will take a while) Rated T for some violence and swearing. Some cameos are included in the story.
It has been ten years since Gaea's defeat. But, with her defeat, her backup plan has been activated. Now, it is up to Grover to find all of the Seven members of the Argo II before their counterparts, the Anti-Seven, will end the world as they knew it. But, how can Grover bring them back, if some of them don't want to come back. Rated T because of the swearing.