Have you ever seen the Gate to Hell? – Anonymous executive of Lycan
Narrowly escaping the Ruins after his defeat, the Hound was captured by the Lycan terrorist group.
Discovering a rare form of Anti-Epoxine in his bloodstream, they modified it, mutating him into the terrifying bioweapon, "Hell Hound."
The Lycan planned to use him to spread their infection across the world.
Hell Hound was detected at Machu Picchu along with an escort of Lycan terrorists and mercenaries.
Soon after, reports of new infections started to pour in.
Defeat the Hell Hound and his minions at Machu Picchu.