User blog comment:Pualover/Overlord Power Level/@comment-5480911-20151022164116/@comment-30969736-20170106210407

I think Elder Liches are Level 16-30, having Level 16 Elder Liches 15 levels from Skeletal Mage class and 1 level from Elder Lich class, and Level 30 Elder Liches 15 levels from Skeletal Mage class and 15 levels from Elder Lich class.

Doesn´t that make sense?