The original villain group made heavens tremble before their might, they were cosmic tier villains. If want some comic examples imagine group of villains which had members like Thanos, Apocalypse, Doctor Doom, Ultron, Darkseid, Brainiac, Sinestro and Vandal Savage, however all working together as a team (and most were mortal origin, not fiends) and doing damn fine job thrashing floor of the good guys.<br/><br/>Who the won when they successfully split them apart, mercilessly hunted them down, wore their defenses down with wave upon waves of sacrifices (and abuse of artifacts which were destroyed as means get raw power to overcome overlords resources, armies, followers and lieutenants and themselves ofc) and all out suicidal brutal attacks until finally they started crumble in the onslaught. That kind villains overlords were and should viewed as what they were and it's over 1,000 years since their fall.<br/><br/>Now, I am fine your satyr gained it's power overtime as he grew in power. By mysterious reasons, but you need develop/legend/story how Methu is connected to the original overlord villain (how come he has his soul essence basically said; as it's important component that all new present fiendish coming overlords have one way or other soul essence of the original overlord). Now important factor with soul essence is that it cannot be used resurrection or raising the overlords (the good guys made damn sure the overlords stay dead so none their followers or agents could just resurrect them or any artifact to do so).