Jorvuld's Guidance is a light armor set. The 5-piece set bonus increases the duration of all Major buffs, Minor buffs and damage shields you apply to yourself and allies by 40%.
The Jorvuld's Guidance set is part of the Dragon Bones DLC. It drops in Scalecaller Peak in Stormhaven. Each set item is bound on pickup. You can acquire light armor, weapons and jewelry of this set in the Scalecaller motif style.