Kagrenac’s Hope is a craftable set. Decrease time to resurrect an ally by 25%. When you successfully resurrect an ally, you restore 1720 Magicka. The 5-piece bonus also adds 222 Spell Damage.
This is a very popular set in PvP and also often used in PvE. The increased resurrection speed, especially on a Templar (which also has increased resurrection speed from the Master Ritualist passive), can be very helpful and make the difference between life and death. Often the time to resurrect is shortened due to interrupts from enemy players or monsters, therefore this set can really shorten this gap and make a usually unsuccessful resurrection attempt successful. It can often prevent a wipe in a trial when you can resurrect team members quickly and continue with a boss fight.
Kagrenac’s Hope is part of the base game. The crafting station is located in the Earth Forge. You can access it via a portal located inside a Fighters Guildhall, depending on your alliance. Portals are in Reapers March (Rawl'kha for AD), The Rift (Riften for EP) and Bangkorai (Evermore for DC). You gain access to the Earth Forge after completing the main Fighters Guild questline. You can craft any armor, weapon or jewelry of this set in any motif style you know, as long as you have 8 traits researched (per item). You can trade crafted pieces to other players. Each set item becomes bound on equip.