Disciple of Shadows is a Heroic Tier feat from the Heroes of the Fallen Land. Worship of Sehanine is not a prerequisite for this feat.
Disciple of Shadows: The Mistress of the Moon, Sehanine, is a patron of shadows and stealth. Her blessing ensures that you can find your way even in the darkest corners of the world.
Prerequisite: Charisma 13
Benefit: You gain darkvision with a range of 2 squares.[HotFL:313]