The Oracle's Cortex (CoS Zone)  

Type	Rec Level	Rec Power (Heroic)	Common Mobs	Bosses	Quests	Dungeon Objectives	Vanquish
							Common Drops	Rare Drops
The Oracle's Cortex					Accessible from: Founders' Annex
	44+		Mechanthrope Brain Mechanthrope Butcher Mechanthrope Talon	Faulty Tower (44)	Tower Offense	2020 1445   Kill Faulty Tower
The Power Complex					Accessible from: The Oracle's Cortex
	45+		Bladeroach Clockroach Mechanthrope Brain Mechanthrope Butcher.Mechanthrope Medusa Mechanthrope Talon	Swarmer Roach (45)	[Optional] Extermination Complex	14700 4390   Kill Mechanthrope Brain

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