lord of hope could be omnipotent because of the fact that they have complete control of hope, and hope is seen to be able to create, as seen with brain ghost dirk.

That is true but- Consider. A Rogue of Void can also Create things. And the Maid and Sylph’s verb is Make. Omnipotence is more than just Creation, and as long as Characters are divided in 12 Aspects, there will always be something even a Lord can’t do because it relates to another Aspect.