Cavern

Stone Guard

Note: Also drops a minable rock, containing between 4 and 11 Rough Mithril, Rough Obsidian or Rough Adamantium.

Stone Warrior

Note: Also drops a minable rock, containing between 4 and 11 Rough Mithril, Rough Obsidian or Rough Adamantium.

Omega Golem

Note: Also drops a Mythos Token: Azhorra-Tha and 9 minable rocks, containing between 4 and 11 Rough Mithril, Rough Obsidian or Rough Adamantium.

Azhorra-Tha's Spirit

Note: Also drops a Mythos Token: Azhorra-Tha and a minable rock, containing between 4 and 11 Rough Mithril, Rough Obsidian or Rough Adamantium.
If you happen to get the Azhorra-Tha's Chest drop, you only receive 1 chest.