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
Mystic that assisted Emperor Baium by his side. To study the secrets of eternal life at the command of the Emperor, he promoted construction of the Tower of Insolence. As a result, he made Einhasad angry and got killed by Angels. However, he came back to life when the Angels went away because he already knew the secrets. Now, he is working to resurrect Baium.