Achilles, Achilles, Achilles come down // DNF (dreamnotfound)

The god of dreams, former god of chaos, finds himself in a tricky situation.

Scared by the ephemerality of a human being's life, but intrigued by a certain human in particular, he has to make tough decisions that would affect not only his life, but also the life of the human whose humanity he falls for.

You can find the original work on ao3 upon the same name but written by longing_for_angst.