Dawnbringer, Champion of Lathander

You become th Dawnbringer, Champion of Lathander. 

Using an action to say a prayer to Lathander, you are granted the power to stand up to even the most diabolical villains.

For 30 seconds Lathander fills you with divine power, granting you double radiant damage on all attacks that use radiant damage. You also gain +5 AC and temporary hit point equal to D10 Con modifier. You are resistant to all damage but Radiant.