Lux Urat

Name	Lux Urat
Cooldown	at-will
Action	standard
Area	cone 3+
Special	DC 13+
Power	lux
Class	arcanist
Category	Debilitation

At-will, standard action, cone 3+, DC 13+; you create a burst of blinding light. Every sighted creature in the cone must pass a Con save or be blinded (Con ends). If the area was dimly lit or dark before you cast the spell, the target has disadvantage on the save.

You can choose to add +1 to the cone for +1 DC (stackable).