Very Balanced Build.
Most of your Power will come from the Eclipse. Instead of Thermal Sunder.
Your increasse in Damage will be 217.5% on Eclipse activation.
This, Plus the [Total Eclipse] Mod will also give that buff to your companions and your allies.
Also when activated adds a color effect which automatically will be your warframes default Energy Color.
[Rolling Guard] just in case. And try to always have Kinetic plating on for energy and damage reduction.
Your mach speed will only be 15 energy to spend and will be spamable.
Arcane guardion and grace for extra damage reduction and security.