I have a question about the "The Guardsmen Of Oberon " achievement. My league has that achievement up to level 5 and it tells us to build 5 million units worth of power to get it to the next level. In reality we should have completed that achievement long ago as we have players that have more than 5 million by their self and they have killed it many times an rebuilded it again. Now is there a trick or anything about this? How does this achievement works?