Welcome to the Graven Deep Dungeon Guide for both Normal and Veteran mode in ESO (Elder Scrolls Online). The Graven Deep Dungeon is located in the High Isle and Amenos zone.
This dungeon has 6 bosses: 3 main bosses, 3 secret bosses and a lot of trashmob packs. (Trashmob = Enemies that can add to the difficulty and liveliness of a dungeon/trial)
If you have more questions, you can also ask someone in our community partner discord about this Graven Deep Dungeon Guide!
The Story in Graven Deep Dungeon
Table of Contents:
- Sets & Rewards
- Trashmobs
- Maps
- Boss Fights
- Full Run Graven Deep (Video)
Sets and Rewards in the Graven Deep Dungeon
3 different five piece sets and a monster set drop in Graven Deep Dungeon in ESO.
- Light: Grave Inevitability
- Medium: Phylactery’s Grasp
- Heavy: Pangrit Denmother
- Monster Set: Euphotic Gatekeeper (Veteran only)
Other Rewards
- Entering either one of both dungeons will reward you with the Mulberry Hermit Crab pet.
- Completing all of the secret bosses in both Earthen Root Enclave and Graven Deep will give you the Touch of the Draoife Face Marks.
- Completing Earthen Root Enclave on Veteran difficulty will grant the Dhulef’s Bubble Ward memento.
- Defeating Zelvraak the Unbreathing on Hardmode will unlock the “Breathless” title.
- Defeating all encounters in Graven Deep, including all trash, all secret bosses, and all three main bosses on Hardmode in less than 25 minutes without suffering a group member death will unlock the “Fist of Tava” title.
- Finally, you can unlock the “Graven Deep Champion” title by completing all of the following achievements:
Trashmonsters in Graven Deep Dungeon
There are many different types of trash mobs in Graven Deep. Many of them are not too dangerous and can be dealt with normally, but the more dangerous ones are mentioned below:
Hadolids
Hadolid mobs will drop large AOEs on the ground which should be avoided.
Pangrits
Pangrits (which look a bit like Guars) will cleave the group, should be faced away. They sometimes run away after the Hadolids die.
You can get a poison on you from the Pangrits. You will need to press a synergy to drop the poison, which will create a poison AOE on the ground. If you don’t drop it you will eventually die.
Drowned Captains
Drowned Captains are ghosts with around 1M health. They can disappear, leaving behind lightning that will zap players. They then return in a different location so the tank should watch out and make sure to taunt them again when they come back.
Wraiths
In the latter parts of the dungeon, you will encounter Wraiths. These have around 1M health each, and can fear you. They also charge into the group, hurting anyone who doesn’t move out of the way.
Bosses, Treasure Chests & Heavy Sacks on the Map
Please visit the Graven Deep Map to see all the areas.
Graven Deep Dungeon Bosses
Below you can find a list of all the bosses in the Graven Deep Dungeon in ESO (Elder Scrolls Online). You can also see how much health each boss has.
| Boss | Health |
|---|---|
| The Euphotic Gatekeeper | 4,920,269/ 7,351,000 |
| Varzunon | 6,315,747/ 9,473,000 |
| Zelvraak the Unbreathing | 8,268,215/ 13,642,000 |
| Mzugru (Secret Boss) | 3,007,499 |
| Xzyviian (Secret Boss) | 3,007,499 |
| Chralzak (Secret Boss) | 3,007,499 |
Bosses Graven Deep Dungeon
Boss 1 – Euphotic Gatekeeper
The Euphotic Gatekeeper is the first main (not optional) boss in Graven Deep. The boss is not too tough, but it moves around a lot which can be annoying and there is one important mechanic to be aware of.
How to Defeat The Euphotic Gatekeeper Boss in ESO Graven Deep
Below are the most important mechanics that you will need to watch out for when taking on The Euphotic Gatekeeper:
Pangrits
To summon the boss you will first need to defeat some Pangrits. They will keep spawning though. They jump out of three holes in the ground. To start the boss fight, you need to close these holes by dropping the poison synergy on them.
Charge
This boss charges around the room a lot, and will send out AOEs in multiple directions when he does this. Try to avoid these. Getting hit by the boss when he is charging will knock you back.
Teleport
The boss teleports to other locations too. When he does this there will be an expanding AOE around him, which explodes at the same time as he teleports, so you will want to back away from this.
More Pangrits, and Poison
More pangrits will spawn throughout the fight, and players will get the poison on them again. Make sure to close off the Pangrit spawns by dropping the synergy on them.
Boss 2 – Varzunon
Varzunon is the second main boss in Graven Deep. This boss is not super difficult, but does have a couple of mechanics that it’s important to be aware of.
How to defeat Varzunon in ESO Graven Deep
The notable mechanics of this boss are:
Skeleton Adds
The boss periodically summons skeleton adds. There are a lot of them so the tank will struggle to taunt them all. Try to stay close to your team and kill them with AOE damage.
Skeletal Sacrifices
Some of the skeletons will be glowing bright blue. These are skeletal sacrifices, and they need to be focused down by the DDs. If they do not die in time, Varzunon will consume them and grow in strength. He will get larger and his attacks will deal more damage.
Stomp
Varzunon can stomp on the ground, doing a lot of AOE damage to players. Make sure to move away from the boss when this is happening.
Meteors
The boss will summon blue fire meteors that rain down on the group members, doing a lot of damage. This is single target damage, not AOE, so it can’t be avoided. It’s best to stack for healing when this is happening.
Endboss – Zelvraak the Unbreathing
Zelvraak the Unbreathing is the final boss in Graven Deep. He is the hardest boss in the ESO Lost Depths dungeon DLC and will you require some coordination and situational awareness to prevail.
Before starting the boss you will need to defeat a Flesh Colossus and some ghosts. These don’t do too much. Just watch out for the Flesh Colossus as he can hit quite hard.
How to defeat Zelvraak the Unbreathing in ESO
Zelvraak has about 8.2 million HP. There are multiple phases to the fight, and quite a few mechanics. These are outlined below:
Ice Pools
The boss will spawn ice AOEs under the feet of players. You should move out of these when you see them spawning.
Tank Cleave
The boss will target whoever has aggro with a long conal cleave attack. This follows the player (generally the tank) around and stretches all the way to the edge of the room, so the tank should stand still to avoid catching group members in the cone.
Shades
At 75% and 25% health, the boss will split into four shades. These will channel an ability that needs to be interrupted, therefore each players should stand next to a shade.
Sea Orb
This is the most important mechanic – you must keep on top of it to succeed. Zelvraak summons a Sea Orb that floats in the air and gradually descends to ground level. If it reaches the ground it explodes, which will instantly kill all players, therefore you should assign a player to keep an eye on the orb and damage it to stop its descent. When it takes some damage it will float upwards again. Keep doing this whenever you see an orb descending.
Fear
The boss will sometimes fear the entire party. You cannot break free from this and it lasts for several seconds, which can be very dangerous and send you running into AOEs. Luckily you can avoid the fear by looking away from the boss when it is about to happen. He will say something like “Gaze upon true fear” just before casting this spell.
Sundered Soul
A random player will be targeted with Sundered Soul, where their soul is torn from their body. The afflicted player with have a strong DoT on them, and they need to find and collect a golden ghost to retrieve their soul, before the DoT kills them.
Zelvraak’s Realm
At 50% health, Zelvraak will send everyone into a different version of the arena, where you will gradually take damage. You need to run around and collect the glowing ghosts to heal yourself through this phase. Stay away from the middle of the room, because the boss will drop an AOE there after a few seconds.
Flesh Colossus
When you return from the portal, there will be a flesh colossus add alongside the boss. This hits the tank quite hard, so it should ideally be focused down.
Inferno
Zelvraak can target the entire group with Inferno, sending consecutive projectiles towards you. When this is happening your healer should concentrate on healing through the damage.
Secret Boss 1 – Mzugru
Mzugru, Security Drone is the first secret boss in Graven Deep.
How to Find the Mzugru, Security Drone Boss in Graven Deep
Follow the path at the start of the dungeon. After the first couple of trash packs, there will be a trail leading to the right. At the end of the trail is a door in the floor called Security Depot. Inside the room, you will need to activate several control knobs in the correct order to summon the boss.
Defeating this boss gives you a buff called Shield Generator, increasing your max health by 10% and giving you 50% damage mitigation for 3 seconds when you take damage (40 second cooldown).
Exact location is here on the map.
How to Defeat Mzugru, Security Drone Boss in Graven Deep
This boss has around 3 million HP. It’s quite an easy boss, but there are a couple of things to watch out for:
Lightning Bolts
He shoots lightning bolts into the air. These land after a couple of seconds, creating lightning AOEs which should be avoided.
Pylons
The boss will be shielded and healed by the pylons around the sides of the room. When this is happening, the boss is immune to all damage so you should focus on the pylon that is channeling.
Spin Attack
The boss also does a spin attack. DDs and healers should step back to avoid this.
Secret Boss 2 – Xzyviian
Xzyviian, Defense Crawler is the second secret boss in Graven Deep.
Defeating the boss gives you a buff called Defense Systems, which increases your maximum Magicka by 10%. You will also be able to activate laser defense systems inside the dungeon to do extra damage to enemies.
How to find the Xzyviian, Defense Crawler Boss in ESO Graven Deep
After defeating the Euphotic Gatekeeper, you will enter some Dwemer ruins. Follow the path until you reach a three way fork. Turn right and navigate through the traps, and you will reach the secret boss. The Traps are lasers that move around. You will need to crouch, jump and time your movement to get through them. If you are hit, you will be teleported back to the start.
Exact location is here on the map.
How to defeat the Xzyviian, Defense Crawler Boss in ESO Graven Deep
This boss doesn’t do much damage and is quite easy to beat. There are only a couple of mechanics worth mentioning:
Fire Meteors
The boss will shoot fire AOEs onto the ground, which should be avoided.
Jump AOEs
It will sometimes jump around, doing AOE damage at its previous location when it jumps.
Secret Boss 3 – Chralzak
Chralzak is the final secret boss in Graven Deep. It has around 3 million HP. Defeating this boss will give you the Remote Battery buff, increasing your maximum Stamina by 10% and supercharging your stamina recovery when your stamina runs low (60 second cooldown).
How to Find Chralzak in ESO Graven Deep
After you have defeated Varzunon and jumped down to the lowest level of the dungeon, continue to follow the path and defeat the first few trash packs.
You will soon encounter a slightly concealed left turn, leading to the southernmost part of the map. You will need to solve a puzzle to reach the boss. There are six levers, and each one will activate and deactivate some of the traps. Looking at a lever will highlight which traps it controls. One player should go ahead and navigate the traps while another manipulates the levers to help them.
Upon reaching the far side, you can pull another lever to turn off the traps so the rest of your team can cross safely. The boss will spawn in the middle of the room after the traps are disabled.
Exact location is here on the map.
How to defeat Chralzak in ESO Graven Deep
Similarly to Xzyviian, this boss is really quite weak and his attacks do not do much damage. There are only a couple of mechanics worth mentioning:
Spin attack
Chralzak has a spin attack. Players should move back when this happens to avoid the AOE.
Lightning Zap
He will zap the ground with lightning in random locations. It’s best to move away from these AOEs to avoid the damage.
Video Gameplay Graven Deep Dungeon
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