To prevent Epic nonsense, just say that RHD don't count. You need either 21 character levels, or a CR of 21 or higher if you are a monster.
Originally Posted by Inevitability Greater \ˈgrā-tər \ comparative adjective 1. Describing basically the exact same monster but with twice the RHD. Originally Posted by Artanis I'm going to be honest, "the Welsh became a Great Power and conquered Germany" is almost exactly the opposite of the explanation I was expecting