Blind Side (Borderlands 4)

In the fourth book of the Borderlands sequence, Michael, Alice, Frankie and David are working on a school local history project about lime quarries and kilns. In some obscure parish recors they find a village called Philadelphia is charted but it has since disappeared without a trace and is never mentioned by the locals. Intrigued, the four set out to search for clues to Philadelphia and what they find is terrifying. On the site they have begun to excavate they uncover a mummified body and this discovery sets off a terrifying chain of events that will take all their courage to overcome.