# Arcanebtw — tarren-mill (EU)

Updated: 2026-09-03T14:16:06.307Z
Faction: Horde
HTML version: https://www.missingmounts.com/eu/tarren-mill/arcanebtw

- Dailies with missing mounts: 9

## Experiment 12-B (weekly)

- Mount: [Experiment 12-B](https://www.missingmounts.com/mounts/445) — drops [Experiment 12-B](https://www.wowhead.com/item=78919)
- Dungeon: Dragon Soul
- Location: Caverns of Time
- NPC: Ultraxion
- Drop chance: 0%
- Description: Follow the raid's path until you reach Ultraxion, the fifth boss. The mount can drop on both Normal and Heroic difficulties, in either 10-man or 25-man mode

## Solar Spirehawk (weekly)

- Mount: [Solar Spirehawk](https://www.missingmounts.com/mounts/634) — drops [Solar Spirehawk](https://www.wowhead.com/item=116771)
- Dungeon: World Boss
- Location: Spires of Arak
- NPC: Rukhmar
- Drop chance: 1%
- Description: Rukhmar spawns in the southern part of the zone and can be engaged by any number of players. Since this is a world boss, you can only attempt to loot it once per week per character.

## Son of Galleon's Saddle (weekly)

- Mount: [Son of Galleon](https://www.missingmounts.com/mounts/515) — drops [Son of Galleon's Saddle](https://www.wowhead.com/item=89783)
- Dungeon: World Boss
- Location: Valley of the Four Winds
- NPC: Galleon
- Drop chance: 1%
- Description: To farm the Son of Galleon's Saddle, travel to the Valley of the Four Winds in Pandaria where Galleon, the world boss, spawns. Galleon can be found patrolling the area around the Silken Fields.

## Reins of the Cobalt Primordial Direhorn (weekly)

- Mount: [Cobalt Primordial Direhorn](https://www.missingmounts.com/mounts/533) — drops [Reins of the Cobalt Primordial Direhorn](https://www.wowhead.com/item=94228)
- Dungeon: World Boss
- Location: Isle of Giants
- NPC: Oondasta
- Drop chance: 1%
- Description: To farm the Reins of the Cobalt Primordial Direhorn, head to the Isle of Giants in Pandaria. Oondasta is a world boss located on the western side of the island.

## Reins of the Thundering Cobalt Cloud Serpent (weekly)

- Mount: [Thundering Cobalt Cloud Serpent](https://www.missingmounts.com/mounts/542) — drops [Reins of the Thundering Cobalt Cloud Serpent](https://www.wowhead.com/item=95057)
- Dungeon: World Boss
- Location: Isle of Thunder
- NPC: Nalak
- Drop chance: 1%
- Description: To farm the Reins of the Thundering Cobalt Cloud Serpent, travel to the Isle of Thunder in Pandaria. Nalak, the world boss, can be found just outside the entrance to the Throne of Thunder raid.

## Smoldering Ember Wyrm (daily)

- Mount: [Smoldering Ember Wyrm](https://www.missingmounts.com/mounts/883) — drops [Smoldering Ember Wyrm](https://www.wowhead.com/item=142552)
- Dungeon: Return to Karazhan
- Location: Deadwind Pass
- NPC: Nightbane
- Drop chance: 100%
- Description: To farm the Smoldering Ember Wyrm, you must complete a speed run of the Return to Karazhan dungeon on Mythic difficulty. Start by entering the dungeon in Deadwind Pass and quickly clear the Opera Hall, Maiden of Virtue, and Moroes. Activate the Soul Fragment in the Curator's room within the time limit to trigger the Nightbane event. Follow the spectral guides to reach Nightbane's location.

## Mechagon Peacekeeper (daily)

- Mount: [Mechagon Peacekeeper](https://www.missingmounts.com/mounts/1252) — drops [Mechagon Peacekeeper](https://www.wowhead.com/item=168826)
- Dungeon: Operation: Mechagon  
- Location: Mechagon Island
- NPC: HK-8 Aerial Oppression Unit  
- Drop chance: 1%
- Description: The HK-8 Aerial Oppression Unit is the third boss. Defeat him on Mythic difficulty

## Marrowfang's Reins (weekly)

- Mount: [Marrowfang](https://www.missingmounts.com/mounts/1406) — drops [Marrowfang's Reins](https://www.wowhead.com/item=181819)
- Dungeon: The Necrotic Wake
- Location: Bastion
- NPC: Nalthor the Rimebinder
- Drop chance: 1%
- Description: Defeat Nalthor the Rimebinder, the final boss in The Necrotic Wake dungeon on Mythic difficulty, for a chance at the Marrowfang's Reins mount. Clear the dungeon up to the final boss; no shortcuts are available.

## Reins of Anu'relos, Flame's Guidance (weekly)

- Mount: [Anu'relos, Flame's Guidance](https://www.missingmounts.com/mounts/1818) — drops [Reins of Anu'relos, Flame's Guidance](https://www.wowhead.com/item=210061)
- Dungeon: Amirdrassil, the Dream's Hope
- Location: The Emerald Dream
- NPC: Fyrakk
- Drop chance: 1%
- Description: Defeat Fyrakk, the final boss in the Amirdrassil, the Dream's Hope raid on Mythic difficulty, for a chance at the Reins of Anu'relos, Flame's Guidance mount. Clear all prior bosses to unlock the encounter; no shortcuts are available.