Crypt Warriors are far more dangerous than the common Skeleton Warriors.
Crypt Warriors have 7800 hitpoints. They are immune to death damage. Moreover, they are strong against earth damage. On the other hand, they are weak against energy, fire and holy damage. These creatures can neither be summoned nor convinced. In addition, they are able to sense invisible creatures.
Crypt Warriors yield 5500 experience points. They carry bones, pelvis bones, platinum coins, soul orbs, unholy bones, white mushrooms and sometimes other items with them.