From Destinypedia, the Destiny wiki
Eriana's Vow is an Exotic Hand Cannon introduced in the Season of the Undying. It was awarded to the player once they reach rank 35 of the free track, or at rank 1 of the premium track. In Season of Arrivals, it became purchasable from Master Rahool for 100,000 Glimmer, 200 Helium Filaments, 3 Enhancement Prisms, and an Exotic Cipher.
Omar: This place reeks of death.
List of Appearances