Introduction
Sigmund is the advisor to the Duke of Lumbridge, but the Duke does not always take his advice.
When part of the cellar wall collapses, the Duke insists the damage was caused by an earthquake, but Sigmund is worried about a monster attack.
If you investigate this mystery, it will lead you through treacherous caves to uncover something lost by the gods for thousands of years.
Required

Skills: 17 mining, 13 agility, 13 thieving.

Items: Any Pickaxe, a lantern or candle (Lantern strongly recommended as unprotected flames can cause explosions), Tinderbox

Quests: Rune Mysteries and Goblin Diplomacy.