Temple of Atal'Hakkar (Sunken Temple) 50-55

Before Entering the Instance

Go to the Marshal’s Refuge area of Un’Goro Crater and talk to Muigin to start Muigin and Larion, which leads to A Visit to Gregan, which leads to Haze of Evil

Go to the Broken Pillar area of Tannaris and talk to Marvon Rivetseeker to start Into the Depths and Secret of the Circle

Go to the Dwarven District area of Stormwind and talk to Brohann Caskbelly to start In Search of The Temple, which leads to To The Hinterlands, which leads to Gryphon Master Talonaxe, which leads to Rhapsody Shindigger, which leads to Rhapsody's Kalimdor Kocktail, which leads to Rhapsody's Tale, which leads to Into The Temple of Atal'Hakkar

Go to the Shadra’Alor area of the Hinterlands and talk to Atal'ai Exile to start Jammal'an the Prophet

Go to Steamwhedle Port in Tannaris and talk to Yeh'kinya to start Screecher Spirits, which leads to The Prophecy of Mosh'aru, which leads to The Ancient Egg, which leads to The God Hakkar

Class Specific

Paladins go to the Cathedral in Stormwind and talk to Lord Grayson Shadowbreaker to start Chillwind Point, which leads to Dispelling Evil, which leads to Inert Scourgestones, which leads to Forging the Mightstone

Druids go to The Park area of Stormwind and talk to Theridran to start Torwa Pathfinder, which leads to Bloodpetal Poison, which leads to Toxic Test, which leads to A Better Ingredient

Hunters go to The Military Ward in Ironforge and talk to Olmin Burningbeard to start The Hunter's Charm, which leads to Courser Antlers, which leads to Wavethrashing, which leads to The Green Drake

Inside Instance

Go to the Chamber of the Dreamer in the Temple of Atal’Hakkar (Sunken Temple) and kill the Shade of Eranikus to start The Essence of Eranikus

Maraudon Level 45-52

Before Entering Instance

Go to the top of the tower in the middle of Thereamore and talk to Archmage Tervosh to start Shadowshard Fragments

Go to Nijel’s Point in Desolace and talk to Keeper Marandis to start Corruption of Earth and Seed

Go to Nejil’s Point in Desolace and talk to Talendria to start Vyletongue Corruption

Go to the Kormek’s Hut area of Desolace and talk to Willow to start Twisted Evils

Got to the Mannoroc Coven area of Desolace and talk to the Centaur Pariah to start The Pariah's Instructions

Inside the Instance

Razorfen Downs Quests

Before Entering Instance

Go to the Cathedral in Stormwind and talk to Archbishop Benedictus to start Bring the Light

Outside Entrance to Instance

Talk to Myriam Moonsinger to start A Host of Evil

Inside the Instance

Go to the Murder Pens area of the Razorfen Downs and talk to Belnistrasz to start Scourge of the Downs, which leads to Extinguishing the Idol.

Blackfathom Depths Quests

Before Entering Instance:

Go to Ironforge and talk to Gerrig Bonegrip to start Knowledge in the Deeps

Go to Darnasus and talk to Argent Guard Manados to start Twilight Falls

Go to Darnasus and talk to Dawnwatcher Shaedlass to start In Search of Thaelrid (See “Inside the instance:”)

Go to Auberdine and talk to Argos Nightwhisper to start Researching the Corruption

Class Specific:

Warlocks go to The Barrens and talk to Doan Karhan to start The Orb of Soran'ruk

Horde only

Go to Stonetalon Mountains and talk to Tsunaman to start Trouble in the Deeps, which leads to The Essence of Aku'Mai quest in Ashenvale

Outside Entrance to Instance

Before entering Black fathom Deeps, kill Blackfathom Tide Priestess until they drop the Damp Note, which starts Allegiance to the Old Gods(Part 1), which leads to Allegiance to the Old Gods (Part 2)

Inside the instance:

Once in Blackfathom Deeps, talk to Argent Guard Thaelrid to start Blackfathom Villainy

Dungeon 1 vs Dungeon 2 Armor Sets

The following instructions work for upgrading all Dungeon 1 Armor sets to Dungeon 2 Armor Sets. I used Lightforge and Soulforge because that is what I use as a Paladin.

Lightforge Bracers can be purchased from the Auction House.

Soulforge Bracers are obtained by upgrading the Lighforge Bracers by completing the An Earnest Proposition quest given by Deliana in Ironforge.

I was able to start the upgrade quest at level 58.

Lightforge Belt can be purchased from the Auction House.

Lightforge Gauntlets can be purchased from the Auction House.

To upgrade the Lightforge Belt and Lightforge Gaunlets to Soulforge Belt and Soulforge Gauntlets talk to Deliana in the Throne Room area of Ironforge to start Quest: A Supernatural Device, which leads to The Ectoplasmic Distiller, which leads to Hunting for Ectoplasm, which leads to A Portable Power Source, which leads to A Shifty Merchant, which leads to Return to Deliana, which leads to Just Compensation

Uldaman Quests

Go to The Maker’s Terrace in the Badlands and kill Shadowforge Diggers, Shadowforge Ruffians and Shadowforge Surveyors until the drop a Shattered Necklace. Go to the Mystic Ward in Ironforge and give the Shattered Necklace to Talvash del Kissel to start Lore for a Price, which leads to Back to Uldaman

Go to the Hall of Explorers in Ironforge and talk to Prospector Stormpike to start The Lost Dwarves

Go to the Hall of Explorers in Iron forge and talk to Krom Stoutarm to start Reclaimed Treasures

Go to the Mirage Raceway in Shimmering Flats and talk to Fizzle Brassbolts to start Salt Flat Venom and Wizzle Brassbolts to start Hardened Shells. Once you have completed these quests, Fizzle Brassbolts will offer Martek the Exiled. Take Fizzle Brassbolts’ Letter to Martek the Exiled in the Badlands to start Indurium, which leads to News for Fizzle. Next talk to Pozzik to start Keeping Pace, which leads to Rizzle's Schematic, which leads to Indurium Ore.

Go to Hammertoe’s Dig Site in the Badlands and obtain the Crumpled Map found on the ground at 53,33 and take it to Prospector Ryedol to start A Sign of Hope

Go to Thelsamar in Loch Modan and talk to Ghak Healtouch to start Badlands Reagent Run, which leads to Uldaman Reagent Run

Go to the Valley of Fangs in the Badlands and talk to Rigglefuzz to start Power Stones

Go to Ironband’s Excavation Site in Loch Modan and talk to Prospector Ironband to start Agmond’s Fate

Go to Agmond’s End in the Badlands and talk to Theldurin the Lost to start Solution to Doom

How to get a Carrot on a Stick

Go to the Mirage Raceway area of Shimmering Flats in Thousand Needles and speak with Wizzle Brassbolts to start the Gahz'rilla quest.

Head to the Altar of Zul area of the Hinterlands and kill Qiaga the Keeper who will drop the Sacred Mallet

Take the Sacred Mallet to the top of the Jintha'alor area in the Hinterlands and use it on the alter near the Vile Hexx Priestess

Doing so will convert the Sacred Mallet into the Mallet of Zul'Farrak

Take the Mallet of Zul'Farrak to the Zul’Farrak instance and Gong the Zul'Farrak Gong, which will summon Gahz'rilla.

Kill Gahz'rilla who will drop Gahz’rilla’s Electrofied Scale

Go to the Mirage Raceway area of Shimmering Flats in Thousand Needles and give Gahz’rilla’s Electrofied Scale to Wizzle Brassbolts to receive the Carrot on a Stick