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.
BOSS Mortal Blow
Raid Boss - Level
A beast living in the Innadril Territory as one of the Evil Spirits born from Shilen's pain. He hates Eva who became the Goddess of Water instead of Shilen, and calls her a fake. He still thinks that the true Goddess of Water is Shilen only. He sneaked into Innadril where Eva's religion was widely spread, causing confusion among those who follow the Goddess of Water and is threatening them.