Underworld Vows

Every action has a consequence.

Every bond carries weight.

Mia's mistake has awakened powers that will reshape both god and mortal realms.

When her brother's life slips beyond the reach of medicine, Mia Petrakis turns to the only power left: the divine. An ancient ritual book passed down through her family whispers of a way to reach the gods. One desperate invocation drags her into the Underworld.

But the ritual goes wrong.

Instead of summoning Hades, Mia binds the King of the Underworld to her ...