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Cyrodiil Cave Delver achievement in The Elder Scrolls Online

Cyrodiil Cave Delver

Explore and clear all 18 caves in Cyrodiil.

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How to unlock the Cyrodiil Cave Delver achievement

Tostiee
05 Jul 2015 19 Jun 2015 05 Aug 2015
69 1 14
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For this achievement you have to clear all caves in Cyrodiil. It can be a bit tricky and time consuming to clear all 18 caves because you have to kill all bosses in the caves to clear the cave. The spawn rate of the bosses can be terrible too.

Here some tips to get the achievement a bit faster:

- Only one boss spawns at a time.

- Loot everything off a boss's corpse so that it will disappear because even it's body seems to delay the other bosses spawning.

- The bosses do not spawn in any particular order. For example if you are in a cave with 3 bosses you can kill the first two bosses a few times before the last one spawns.

Here is a screenshot of Cyrodiil with all the cave locations:

For each cave you have to kill several bosses. I will post below what bosses you have to kill in each cave.

Credits to this russian site for the cave pictures: http://forums.goha.ru/archive/index.php?t-971072.html

Bloodmayne Cave

- Kill Acanthia
- Kill Ironlash
- Kill Razorback

Nisin Cave

- Kill Barasatii
- Kill Volgo the Harrower

Pothole Caverns

- Kill Serrin Vol
- Kill Diabolist Vethisa
- Kill Blighttooth

Breakneck Cave

- Kill Hegris
- Kill Longfang

Haynote Cave

- Kill Theurgist Thelas
- Kill Diabolist Volcatia

Serpent Hollow Cave

- Kill Bruuke
- Kill Bear Matriarch

Kingscrest Cavern

- Kill Cynaceae

Vahtacen

- Kill The Faceless

Muck Valley Cavern

- Kill Kerks Half-Ear
- Kill Ogre Biter
- Kill Webmistress

Newt Cave

- Kill Gravel Tooth
- Kill Rock Wing

Quickwater Cave

- Kill Athal Andas (Athal Andas can also spawn in the most southwestern part of the map)
- Kill Steel-Tail

Cracked Wood Cave

- Kill Mebs Runnyeye
- Kill Regsrot Blacktongue
- Kill Wolfbreath

Echo Cave

Capstone Cave

- Kill Claudette the Sharper

Red Ruby Cave

- Kill Endare
- Kill Zandur

Toadstool Hollow

- Kill Lucienne Cerine
- Kill Captain Roreles
- Kill Captain Serniel
- Kill General Virane
- Kill Dreadfang

Lipsand Tarn

- Kill Gaston Asham
- Kill Marbita

Underpall Cave

- Kill Raelynne Ashham
- Kill Emelin the Returned

Guide not helping? View 1 more guide for this achievement.
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Great guide, thanks. Boss spawn times were annoying. Joining a server that's mostly dominated by your alliance and doing this (or dolems, shards & quests for that matter) in the morning hours made clearing out cyrodiil fairly simple. Now for that emperor achievement...........
Posted by xMANNY FRE5Hx On 19 Jan 17 at 17:06

very helpful guide thank you for posting! thumbs up!
Posted by LORD DEATH 1989 On 03 Jul 17 at 23:33

Not sure when this changed, but all the bosses were in their respective caves when I got this achievement. Pretty fast and easy now
Posted by CHL On 24 Nov 20 at 08:00

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And0 Command0
26 Aug 2015 27 Aug 2015 27 Aug 2015
8 0 3
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Tostiee's guide is extremely thorough, I just have a few more tips that might save some time.

The caves are also PvE areas, which means you might face players from other factions who can kill you or the boss you're hunting. I recommend playing in a campaign that has as few players from enemy factions as possible in it to minimize interruptions.

Only 1 boss will be active at a time, and their respawns occur exactly every 10 minutes. On top of that, they do not spawn in a particular order. For example, if you are in a 2 boss cave, it's possible for only 1 boss to spawn multiple times in a row. I personally had to kill the boss Endare in Red Ruby Cave 8 times in a row before the other boss Zandur spawned. If you just cannot get a boss to spawn, try delving some other caves and returning later, I've had better luck spawning after leaving a cave for awhile.

Toadstool Hollows is an exception to the 1 active boss rule. There are 3 bosses active at once. It also has the most bosses, at 5.

There is going to be a LOT of waiting around between boss fights. I recommend setting a 10 minute timer after you loot a bosses corpse, and doing something else for the 10 minute wait ahead. Then check all the boss zones until you find the active boss. Rinse and repeat about 100 or so times and this 10 gamerscore is yours! Good (spawn) luck!
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Pretty good solution. However, it should be noted that there are only 2 active bosses for Toadstool Hollow, not 3. Also in Toadstool Hollow (and I think only here), the respawn timer for bosses is only 2 minutes. Everything else in your solution is spot on. Good job.
Posted by Jaucoholic On 04 Sep 15 at 20:19

Thanks for explaining the mechanic! I was waiting for half an hour before I came to the idea to check the solutions here… :/

Very helpful! :)
Posted by Tyler Kokoro On 08 Jul 18 at 22:42

Does this have to be earned on one character? It’s so hard on the one I started it with because no one plays yellow. Always being dominated
Posted by Bambi On 10 Apr 20 at 08:06

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