Awaken your latent power of [Solar] Solar Light by earning experience, generating Orbs of Power, and defeating enemies to earn points; using [Solar] damage grants substantially more points.
Energy weapons deal elemental damage. Solar element weapons can be identified by selecting it in your character screen and looking for the [Solar] symbol.
"The flame is insatiable. It is more than Light. It is hunger, a defiant roar against the encroaching dark. But you have to be willing to burn with it."—Ouros, Sunbreaker Magistrate