Silverloon

Alexander, a soldier for the Galatic Empire dies during one of the skirmishes and gets reborn as a planet soul. Alexander ends up as a soul to a newborn planet gaining the ability to build a planet of his choice.

Jack was murdered by his most trusted to eventually wake up as a newborn.

In a tomb lays an ancient being once thought to be extinct. The last of its kind. READ THE CHAPTERS TO KNOW MORE. I'm bad at synopsis