Michael didn't have to think long to determine what to do with the remaining SoulStar Fragments. It was pretty simple.
He spend more than 82,000 SoulStar Fragments upgrading Cosmic Stride to 6-Star and 55,000 SoulStar Fragments upgrading Sphere of Elements to 5-Star.
The Soultraits didn't mutate or evolve, but their potency increased drastically. The Elemental Spheres inside Michael's energy pool expanded. They stored more energy, which increased the total amount of energy that could be stored inside Michael's body. As the Elemental Spheres absorbed energy from the energy pool, they infused an element into the neutral origin energy. But that was not all.
The Elemental Spheres purified the origin energy by infusing elemental properties into it. The purified elemental energy could be utilized to create stronger elemental attacks. Combined with other Soultraits like Cosmic Stride, Michael could unleash attacks several times more efficiently than before.