Brilliant light

Upon Utilizing a standard action you consume 1 Sacred Essence, Upon casting this spell you summon a glowing orb and an option to cause burst of light within the 15ft of the orb, Creatures in the area must make a Constitution saving throw upon failure creatures within the area suffer blindness for 1 minute, undead creatures have a disadvantage with the saving throw 

Upon reaching 5th level you get to summon 2 Glowing orb

Upon reaching 11th level you get to summon 3 glowing orbs

Upon reaching 17th level you get to summon 4 glowing orbs