Blackroot Lair

From the OblivioWiki – your guide to everything Oblivion

This quest, location, item, or NPC is part of the "The Elder Scrolls IV: Shivering Isles" official plug-in or expansion.
You can purchase it here for the PC or from Xbox Live Marketplace on the Xbox 360.

Blackroot Lair is off the main road going south from the Gates of Madness.

As many other caves, this cave contains a hollowed out amber limb.