Diablo 4 Grigoire Boss Guide
How to Summon Grigoire
To fight Grigoire you first need the summoning materials below, then open its Hoard at the boss' lair. These Lair Boss Keys and materials drop in Torment difficulties from endgame activities — hover each material, or read below, for exactly where to farm it.
1x
Lair Key
- Lair Key — Used to open a Lair Boss Hoard.
Grigoire Strategy & Tips
Grigoire, the Galvanic Saint, deals heavy Lightning damage with a room-wide spinning AoE and ground slams. Stay close to bait his melee, move out of the rotating lightning beams, and burst between his slams. Lightning resistance and a reliable dodge or evade make the fight much easier.
Grigoire Drop Table
Where does your loot drop?
Want the full picture of which boss drops what? Our Loot Table lists every item and its sources in one place.
Open the Loot Table →Frequently Asked Questions
Where do I find Grigoire in Diablo 4?
Grigoire is summoned in a dedicated lair and has no fixed spot in the open world. The entrance appears on the map once you hold the summoning materials.
How do I summon Grigoire?
Summoning Grigoire requires 1× Lair Key. Place the materials at the altar in front of the lair.
What does Grigoire drop?
Grigoire drops 19 uniques, among them Bastion of Sir Matthias, Cage of Madness, Deathgrip, Desperate March, Gohr's Devastating Grips, Hands of the Worldbreaker. Mythic Uniques can drop on top of that, at the same rate as from any other uber boss.