Hello,
I was looking at the Malkoran entry in the UESP and found out that his level could be one of the following values: 7, 14, 21, 30 or 40. However, when I checked his entry in the CK, it seems that the leveled list he uses is LCharWarlockBossNecroMaleCondescending, which generates actors of levels 1, 6, 12, 19, 27, 36 and 46. Now, based on the CK's entry on Leveled Characters, the entry in the list is chosen by means of the level of the Encounter Zone and the difficulty tag that is associated with that particular object's reference. In this case, the Encounter Zone min level for Kilkr