He would have three lightning grenades that blind, suppress and burn targets hit. His normal melee would be a shoulder charge that heals him and gives force barrier. He would constantly have 4 juggernaut shields around him and 1 above. Every step he takes would leave a sunspot that gives teammates weapons and blessing of light. If he chose to wear the helm of saint-14 everyone would go blind in a 3 mile radius. His twilight garrison has no cooldown and is omnidirectional. If he wears the peregrine greaves every step he takes creates a 9.0 earthquake.
And that's not even the overpowered part.
His fist of havoc destroys continents while giving himself an aura of immortality and causes flaming hammers to rain from the sky for fourty days and nights.
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Except he couldn't even liberate the cosmodrome, let alone defeat Atheon, Crota, Skolas, or Oryx. Shaxx is a little bitch.