To travel a knife into the heart of Ketheric Thorm's immortality, you'll need to gather 4 Umbral Gems—three of these originate from the trials, while the fourth Umbral Gem continues to be stolen by an Orthon that has a background with All people's favourite Satan, Raphael.?ánh giá Ladi Gem, h? tr? gi?m tri?u ch?ng do suy gi?m n?i ti?t t? n? Ch?