Horde of the Underworld - The Ascension Archive, #1

What would you do if you could never see your sister again? Syra is desperate to find her missing sister Telora and a group of students. In the lands of Netidum, missing persons cases increase at an alarming rate. Hegemonic authorities restrict any promising search sectors throughout the realm. Whispers of a secret route through the abandoned Dura Mines emerge. Why were these mines abandoned in the first place? Syra's company of cavalier adventurers enter an underworld designed by an advanced race of beings, but something awaits them inside the arcane depths. Are the legends of folklore true .