He controls the best energy tech in his world.
It is his kingdom that has the must elaborate tricks to get energy from unique sources in the ocean called" Light Pearls" , were only their energy can manipulate gravity. Witch makes it one of the must expensive materials in their world.
The only thing he wants more than his family success over the other 3 main clans, its to get his hands on the Capulet´s technology that can make A.I, like no other industry can. Only then he may be able to destroy the Emperors rule over his goals as the main leader in the future world.