The Sorcerer Who Fell From The Sky

In the middle of the Earth, below the evil expanse of Tartarus and the dark world of the Night, lies The Tree of Power which sustains all magic. The Magic isn't quite choosy about who gets to use it, however, which results in quite the trouble for Merlin.

Percy Jackson was leading the calmest and quietest life possible on Camp-Half blood - or rather, as calm as it can be for a demigod. Of course, that wasn't to last.
Especially not with a huge fireball crushing the Temple of Jupiter.

Ranger 996-01 spent an eternity aboard the Void Ranger, The Ship of Chaos. She'd nearly forgotten about her past. But then Chaos chucked her back on earth with no reinforcements, an ambiguous mission, and an angry Goddess of a mother to deal with who despises her existence.
Life would be a blast indeed.