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SPOILERS FOR THE SUN AND THE STAR!!! YOU HAVE BEEN WARNED!!!
Nico finds himself in Gotham after a group of monsters had cornered him, and he had to shadow jump away. Somehow, he finds himself being fostered by Bruce Wayne. It's only temporary and Nico intends to keep it that way. The only problem is that there are many things Nico can't explain, like his past, how he learned how to fight, why he needs to know how to fight, and why strange things keep happening around him. How can Nico keep his stay at the manor temporary if things keep happening that just ensures Bruce Wayne will want to keep an eye on him?