Solar final blows periodically grant you an escalating bonus to weapon damage. You are harder to slow or freeze with Stasis, and when you break out, you take no damage from doing so, creating a burst of Solar energy around yourself.
Increase the damage of Solar weapons and Solar Ignitions based on the amount of Roaring Flames stacks you have. You are harder to suspend, slow, or freeze, and when you break out, you take no damage from doing so, creating a burst of Solar energy around yourself.