The Sunken Lode (CoS Zone)  

Type	Rec Level	Rec Power (Heroic)	Common Mobs	Bosses	Quests	Dungeon Objectives	Vanquish
							Common Drops	Rare Drops
The Sunken Lode					Accessible from: The Refuge
	9+		Orbolg Foreman Orbolg Sapper Orbolg Scout	Orbolg Duelist (9)	Save the Miners [Optional] Parts and Labor	480 335   Kill Orbolg Duelist
The Second Dig					Accessible from: The Sunken Lode
	10+		Chittle Larva Chittle Pincer Orbolg Foreman	Skittersting (10)	[Optional] Parts and Labor	430 295   Kill Skittersting
The Sunken Lode Boss Raid
	10	1010 (1528)	Orbolg Foreman Orbolg Sapper Orbolg Scout Ratling Albino	Orbolg Blade (10)	[Vanquisher] Liberate the Lode [Challenge] Heroic - Liberate the Lode	Defeat the Orbolg Blade

City of Steam Wikibase™ Zones

Each Boss Raid Challenge dungeon that you complete will grant rewards in addition to any items you find within it.

• Normal mode: Transmuter Orbs, Mastery Points, Expertise Points, Rare Materials Boxes, EXP
• Vanquish mode: EXP, Shillings, Mastery Points, Expertise Points. Note that EXP is higher than Normal mode to compensate for the loss of kill EXP that you do not get in this mode.
• Heroic mode: Rare Materials Boxes, Orange Material, Shillings