Vaults of Forbidden Knowledge are hidden doors in Hell Is Us that lead to valuable rewards, including defensive gear, weapons, lore items, and more. Not only are these doors very well hidden, but they ...

In order to unlock Vaults of Forbidden Knowledge, you'll need to know what the codes are (unless you try to brute force them, but where's the fun in that?). The only person in Hadea who can help you ...

Christian has three years of experience writing in the gaming industry, including guides and reviews, for publications such as Dualshockers, Attack of the Fanboy, and PC Invasion. He has been an avid ...