All Mounts/ Experiment 12-B

Experiment 12-B

Some believe Experiment 12-B is the result of a covert SI-7 initiative, others consider it the outcome of embyronic tinkering by goblin scientists. No matter the case, this much is certain: given its strength, speed and agility, Experiment 12-B was a success!

DropExtremeUncommon · 15% ownCataclysmCataclysm · Raid Drop

Source

Drop

Instance

Dragon Soul

Drop Rate

1.00%

Farm Time

~12 min per attempt

Lockout

Weekly

View on Wowhead

Acquisition Guide

Experiment 12-B is a chromatic drake mount that drops from the Lesser Cache of the Aspects after defeating Ultraxion in the Dragon Soul raid.

Enter Dragon Soul Raid

Travel to Dragon Soul and enter the raid on Normal difficulty. Make your way to Ultraxion and defeat him.

Loot the Lesser Cache

After defeating Ultraxion, open the Lesser Cache of the Aspects that spawns. Experiment 12-B has a very rare drop chance, estimated around 1% or potentially lower.

Tips

Both 10-man and 25-man Normal difficulties of Dragon Soul allow you to attempt this drop, giving you up to two lockout resets per week to farm Ultraxion.

AI-assisted draft; verify details against the current game patch

Frequently asked questions

How do you get Experiment 12-B in WoW?

Drops from Lesser Cache of the Aspects in Dragon Soul

What is the drop rate of Experiment 12-B?

Experiment 12-B has approximately a 1.0% drop chance from Dragon Soul.

What expansion is Experiment 12-B from?

Experiment 12-B is a drop mount from the Cataclysm expansion of World of Warcraft.

Is Experiment 12-B still obtainable?

Yes, Experiment 12-B has an active, non-retired collection source in World of Warcraft. Check the guide above for any season, schedule, or progression gate.

Guide last updated March 9, 2026