If the level of the person who made the greatest contribution is higher than the level of the raid monster by 3 or more levels, then the probability of dropping an item or adena will decrease. If the level difference is nine or more levels, then, the monster will not drop any item or adena.
Raid Boss - Level
Knight who distinguished himself in war and died at the battlefield during the war with Elmore Kingdom long ago. He lost the rest of his soul and woke up when monsters and devils that invaded the Cemetery stirred up troubles due to the weakened management caused by the domestic confusion. He attacks not only the devils who woke him up, but also any living things entering the Cemetery.