Temrin's Stacks (CoS Zone)  

Type	Rec Level	Rec Power (Heroic)	Common Mobs	Bosses	Quests	Dungeon Objectives	Vanquish
							Common Drops	Rare Drops
Temrin's Stacks					Accessible from: Heartland Road
	14+		Blue Chemspider Green Chemspider Spidermidge Umbrahusk	The Preserver (14)	Liberate Heartland Motors [Optional] Stack Attack	510 630   Kill The Preserver
The Repository					Accessible from: Temrin's Stacks
	15+		Bladeroach Blue Chemspider Chittle Pincer Glitterbug Green Chemspider Rhinobeetle Spidermidge Umbrahusk	Carapaxus (15)	[Optional] Stack Attack	660 760   Kill Carapaxus
Temrin's Stacks Boss Raid					Accessible from: Temrin's Stacks
	16	3132 (4103)	Blue Chemspider Tombcrawler Trow Elder	Silkwing (16)	[Vanquisher] Private Collections [Challenge] Heroic - Private Collections

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

Remember, Glitterbugs and Chemspiders have ranged attacks, Spidermidges and Rhinobeetles are melee. Generally, if you are melee kill the ranged first, if you are ranged kill the melee first.