The Evil Trash Mobs of Sethekk

Notable for AOE
Avian Warhawk - Charge, Cleave, Carnivorous bite (physical dot)
Cobalt Serpent - Wing buffet, Chain Lightning and Frostbolt
Sethekk Guard - Thunderclap (~ 1.7k damage) and Sunder Armor
Sethekk Oracle - Faerie Fire and Arcane Lightning (chain lightning with a Silence debuff )

Notable for Silence
Sethekk Oracle - Faerie Fire and Arcane Lightning (chain lightning with a Silence debuff )

Notable for Fear
Sethekk Prophet - Fear and spawns a ghost similar to the ones in Sunken Temple

Notable for MC
Time-Lost Controller - Shrink (reduces stamina and intellect for a few minutes) and Control Totem (mind controls a random party member for as long as the totem is up, the charm effect can be removed with Will of the Forsaken (undead racial) which also destroys the totem)

Notable for Mage
Note: Some mobs such as the Time-Lost Scryer, Time-Lost Shadowmage, and Sethekk Prophet have a buff called "Arcane Destruction" which increases spell damage by 150. The buff is stealable by the level 70 mage skill, Spellsteal.