The First Gate - Tales of Aeden, #1

An unspeakable evil lurks down at the First Gate... The annual selection of the lucky hundred has arrived. When Luka, member of the Griffin Brotherhood, gets selected for the post he didn't even think was possible, his world tuns upside down in the blink of an eye. The unfathomable horrors harbored there, are the fuel of nightmares. But Luka must face them for the greater good. Will he make it out alive? Or will he fall victim to forces unknown, just like those before him?