You have the Sunstrike feat.
SUNSTRIKE (Source: D&D5e League of Legends
Campaign Handbook)
You can channel the power of the sun into your attacks. When you roll damage, you can deal an additional 1d6 radiant damage. This additional damage increases to 2d6 at 6th level, 3d6 at 11th level, and 4d6 at 16th level.
You can’t use this feature again until you finish a short rest or entering direct sunlight while not in combat.
When fighting in direct sunlight, can roll 1d6 on each of your turns. When rolling a 6, you regain a use of Sunstrike (max. 1 uses stored).
Sunlight Protection. You gain resistance against
necrotic damage and radiant damage when not in dim or dark light.