The resources needed to build and maintain a death star is so unreal.
Then some idiot puts an exhaust port on it and the darned rebellion blows it up on you.
What are you overcompensating for?
You should create your own thing instead of a giant Christmas ornament.
Here would be my advice:
Use any of these ship schematics to build your flagship -
Remember that maximum tactical effectiveness is to strafe the ship side to side while inching closer to your opponent's fleet. This will inspire the optimal amount of fear and panic their ranks. Use your ship's terrifying visage to your advantage.
TL;DR version -
https://www.youtube.com/watch?v=OSNlpsz7sQ4