Here is a summary of the Horde instances in the Burning Crusade (Outlands) with respective quests and other important information. Sorry, it’s a bit rushed. I’m hoping the errors are minimal.

Hellfire Ramparts (Hellfire Citadel)

AliasMob RangeParty RangeType
Ramps elite60-62 (55 minimum)5 man
QuestLevel ObtainedNPCLocation
To unlock the quest “Weaken the Ramparts” for the “Hellfire Ramparts” dungeon, you must do the following pre-requisites:
1) Through the Dark Portal58Warlord Dar’toonBlasted Lands (58.56)
2) Arrival in Outland (chain quest from above)58Lieutenant General OrionHellfire Peninsula (87.50)
3) Journey to Thrallmar (chain quest from above)58Vlagga FreyfeatherHellfire Peninsula (87.48)
4) Report to Nazgrel (chain quest from above)55General KrakorkHellfire Peninsula (56.37)
5) Eradicate the Burning Legion (chain quest from above)58NazgrelHellfire Peninsula (55.36)
6) Felspark Ravine (chain quest from above)58Sergeant ShatterskullHellfire Peninsula (58.41)
7) Forward Base: Reaver’s Fall (chain quest from above)58Sergeant ShatterskullHellfire Peninsula (58.41)
8) Weaken the Ramparts (bash all three bosses in Hellfire Ramparts)59Stone Guard Stok’tonHellfire Peninsula (55.36)
Dark Tidings (“Ominous Letter” drops from Vazruden in Hellfire Ramparts)59Hellfire Ramparts
The above quest opens up “The Blood is Life” quest for “The Blood Furnace” dungeon.

The Blood Furnace (Hellfire Citadel)

AliasMob RangeParty RangeType
BF elite60-645 man
QuestLevel ObtainedNPCLocation
The Blood is Life (requires pre-requisite quests “Weaken the Ramparts”, and “Ominous Letter” that drops from Vazruden in Hellfire Ramparts)59Caza’rezHellfire Peninsula (55.36)
Heart of Rage (is a follow up from “Weaken the Ramparts”)59Caza’rezHellfire Peninsula (55.36)

The Slave Pens (Coilfang Reservoir)

AliasMob RangeParty RangeType
SP elite62-645 man
QuestLevel ObtainedNPCLocation
Lost in Action (to complete this, you need to enter multiple dungeons in Coilfang Reservoir)62Watcher JhangZangermarsh Coilfang Reservoir (53.36)

The Underbog (Coilfang Reservoir)

AliasMob RangeParty RangeType
UB elite63-655 man
QuestLevel ObtainedNPCLocation
Before you can pick up most of “The Underbog” quests, you must be at least friendly with the Sporregar.
Lost in Action (to complete this, you need to enter multiple dungeons in Coilfang Reservoir)62Watcher JhangZangermarsh Coilfang Reservoir (53.36)
Bring me a Shrubbery!63Gzhun’ttZangermarsh (19.50)
Oh, It’s On!63T’shuZangermarsh (19.50)
Stalk the Stalker63Khn’nixZangermarsh (19.50)

Mana-Tombs (Auchindoun)

AliasMob RangeParty RangeType
MT elite64-66 (61 minimum)5 man
QuestLevel ObtainedNPCLocation
Safety is Job One64Artificer MorphaliusTerokkar Forest (39.59)
Someone Else’s Hard Work Pays Off64Cryo-Engineer Sha’heenEscort quest within Mana-Tombs
Undercutting the Competition64Nexus-Prince HaramadWithin Mana-Tombs

Auchenai Crypts (Auchindoun)

AliasMob RangeParty RangeType
AC elite65-67 (62 minimum)5 man
QuestLevel ObtainedNPCLocation
I know what you’re thinking. You can’t see the quest giver “Greatfather Aldrimus”. That’s because he’s a Draenei Ghost. But if you do the following questlines, you’ll be able to do the quest “Everything Will Be Alright”:
1) I See Dead Draenei64Ha’leiTerrokar Forest, just outside Crypts entrance (35.65)
2) Ezekiel (chain quest from above)64Ramdor the MadTerrokar Forest, just outside Crypts entrance (35.65)
3) What Book? I Don’t See Any Book (chain quest from above)64EzekielShattrath City (57.34)
4) The Master’s Grand Design? (chain quest from above)64“Dirty” LarryShattrath City (44.29)
5) Vision of the Dead (chain quest from above)64Nitrin the LearnedNagrand (52.57)
6) Levixus the Soul Caller (chain quest from above)64Nitrin the LearnedNagrand (52.57)
7) Everything Will Be Alright (bash up “Exarch Maladaar” in “Auchenai Crypts”)64Greatfather AldrimusTerrokar Forest, just outside Crypts entrance (35.65)
You need to complete the three questlines below to unlock the “Greatmother Geyah Quests” which leads to the final quest in “Auchenai Crypts”.
Murkblood Questline:
Murkblood Invaders (drops off the three wandering Murkblood invaders in Nagrand)64Murkblood InvadersNagrand (35.25), (35.26), (36.24), (42.59), (46.33)
The Totem of Kar’dash64Mag’har CaptiveNagrand (31.44)
Altruis the Sufferer Questline:
He Called Himself Altruis…66Matron CelestineNagrand (55.36)
Survey the Land66Altruis the SuffererNagrand (27.43)
Buying the Time66Altruis the SuffererNagrand (27.43)
Patience and Understanding66Altruis the SuffererNagrand (27.43)
Crackin’ Some Skulls66Sal’salabimShattrath (77.35)
It’s Just That Easy?66Sal’salabimShattrath (77.35)
Forge Camp: Annihilated66Altruis the SuffererNagrand (27.43)
Lantresor of the Blade Questline:
Ruthless Cunning64Lantresor of the BladeNagrand (74.63)
Armaments for Deception64Lantresor of the BladeNagrand (74.63)
Returning the Favor64Lantresor of the BladeNagrand (74.63)
Body of Evidence64Lantresor of the BladeNagrand (74.63)
Message to Garadar64Lantresor of the BladeNagrand (74.63)
Greatmother Geyah Questline:
1) A Visit with the Greatmother66GarroshNagrand (56.38)
2) Material Components (chain quest from above)66Greatmother GeyahNagrand (57.38)
3) To Meet Mother Kashur (chain quest from above)66Greatmother GeyahNagrand (57.38)
4) The Agitated Ancestors (chain quest from above)66Mother KashurNagrand (26.61)
5) A Visit with the Ancestors (chain quest from above)66Mother KashurNagrand (26.61)
6) When Spirits Speak (chain quest from above)66Mother KashurNagrand (26.61)
7) A Secret Revealed (chain quest from above)66K’ureNagrand (35.78)
8) Auchindoun (enter the Auchenai Crypts and bash the guardian of the crypt to release the captive spirit within that holds the key)66A’dalShattrath City (54.46)

Old Hillsbrad Foothills (Caverns of Time)

AliasMob RangeParty RangeType
OHF elite66-68 (63 minimum)5 man
QuestLevel ObtainedNPCLocation
The two quests below are pre-requisite to gain access to the Old Hillsbrad Foothills questline:
1) To the Master’s Lair66Steward of TimeTanaris, Caverns of Time (66.50)
2) The Caverns of Time (chain quest from above)66AndormuTanaris, Caverns of Time (58.54)
Old Hillsbrad Foothills questline:
1) Old Hillsbrad66AndormuTanaris, Caverns of Time (58.54)
2) Taretha’s Diversion (chain quest from above)66ErozionInside Old Hillsbrad Dungeon
3) Escape from Durnholde (chain quest from above)66ThrallInside Old Hillsbrad Dungeon
4) Return to Andormu (chain quest from above)66ErozionInside Old Hillsbrad Dungeon

Sethekk Halls (Auchindoun)

AliasMob RangeParty RangeType
SETH Elite67-695 man
QuestLevel ObtainedNPCLocation
Brother Against Brother65IsfarTerokkar Forest, Sethekk Halls Entrance (44.65)
Terokk’s Legacy65IsfarTerokkar Forest, Sethekk Halls Entrance (44.65)

Shadow Labyrinth (Auchindoun)

Oh boy. You better sit down for this one when you start reading the questlines. Kissie, you may want to crack open a bottle of scotch.

AliasMob RangeParty RangeType
SLABS elite69-70 (65 minimum)5 man
QuestLevel ObtainedNPCLocation
1) Illidari-Bane Shard (drops from Overseer Ripsaw in Legion Hold, Shadowmoon Valley)Overseer RipsawShadowmoon Valley (25.36)
2) Capture the Weapons (chain quest from above)67Ordinn ThunderfistShadowmoon Valley (37.55)
3) The Hermit Smith (chain quest from above)67Ordinn ThunderfistShadowmoon Valley (37.55)
4) Additional Materials (chain quest from above)67Terokkar Forest (77.39)
5) The Lexicon Demonica (“Grandmaster Vorpil” in “Shadow Labyrinth” drops the “Lexicon Demonica”, chain quest from above, next part is in “Mechanar”)67David WayneTerokkar Forest (77.39)
QuestLevel ObtainedNPCLocation
Cipher of Damnation questline below unlocks “Trial of the Naaru: Tenacity”:
1) The Hand of Gul’dan68Earthmender SplinthoofShadowmoon Valley, Shadowmoon Village (28.27)
2) Enraged Spirits of Fire and Earth (chain quest from above)68Earthmender SplinthoofShadowmoon Valley, Shadowmoon Village (28.27)
3) Enraged Spirits of Water (chain quest from above)68Earthmender TorlokShadowmoon Valley (42.45)
4) Enraged Spirits of Air (chain quest from above)68Earthmender TorlokShadowmoon Valley (42.45)
5) Oronok Torn-heart (chain quest from above)68Earthmender TorlokShadowmoon Valley (42.45)
6) I was a lot of things… (chain quest from above)68Oronok Torn-heartShadowmoon Valley (54.23)
7) A Lesson Learned (chain quest from above)68Oronok Torn-heartShadowmoon Valley (54.23)
8) The Cipher of Damnation – Truth and History (chain quest from above)68Oronok Torn-heartShadowmoon Valley (54.23)
9) Grom’tor, Son of Oronok (chain quest from above)68Oronok Torn-heartShadowmoon Valley (54.23)
10) The Ciper of Damnation – Grom’tor’s Charge (chain quest from above)68Oronok Torn-heartShadowmoon Valley (54.23)
11) The Ciper of Damnation – The First Fragment Recovered (chain quest from above)68Grom’tor, Son of OronokShadowmoon Valley (45.24)
12) Ar’tor, Son of Oronok (chain quest from above)68Grom’tor, Son of OronokShadowmoon Valley (45.24)
13) Demonic Crystal Prisons (chain quest from above)68Ar’tor, Son of OronokShadowmoon Valley (30.50)
14) Lohn’goron, Bow of the Torn-heart (chain quest from above)68Spirit of Ar’torShadowmoon Valley (30.51)
15) The Cipher of Damnation – Ar’tor’s Charge (chain quest from above)68Spirit of Ar’torShadowmoon Valley (30.51)
16) The Cipher of Damnation – The Second Fragment Recovered (chain quest from above)68Spirit of Ar’torShadowmoon Valley (30.51)
17) Borak, Son of Oronok (chain quest from above)68Oronok Torn-heartShadowmoon Valley (54.23)
18) Of Thistleheads and Eggs… (chain quest from above)68Borak, Son of OronokShadowmoon Valley (48.57)
19) The Bundle of Bloodthistle (chain quest from above)68Tobias the Filth GorgerShattrath City (64.70)
20) To Catch a Thistlehad (chain quest from above)68Borak, Son of OronokShadowmoon Valley (48.57)
21) The Shadowmoon Shuffle (chain quest from above)68Borak, Son of OronokShadowmoon Valley (48.57)
22) What Illidan Wants, Illidan Gets… (chain quest from above)68Borak, Son of OronokShadowmoon Valley (48.57)
23) The Cipher of Damnation – Borak’s Charge (chain quest from above)68Borak, Son of OronokShadowmoon Valley (48.57)
24) The Cipher of Damnation – The Third Fragment Recovered (chain quest from above)68Borak, Son of OronokShadowmoon Valley (48.57)
25) The Cipher of Damnation (5 players) (chain quest from above)68Oronok Torn-heartShadowmoon Valley (54.23)
26) The Tempest Key (chain quest from above)70KhadgarShattrath City (55.44)
27A) Trial of the Naaru: Strength (chain quest from above, “Murmur” in “Shadow Labyrinth” drops “Murmur’s Essence”, “Kalithresh” in “Steamvaults” drops “Kalithresh’s Trident”)70A’dalShattrath City (54.45)
QUESTLEVEL OBTAINEDNPCLOCATION
The Book of Fel Names questline:
1) Karabor Training Grounds68Scryer: Larissa Sunstrike
Aldor: Exarch Onaala
Shadowmoon Valley (56.58)
Shadowmoon Valley (61.29)
2) A Necessary Distraction (chain quest from above)68Scryer: Larissa Sunstrike
Aldor: Exarch Onaala
Shadowmoon Valley (56.58)
Shadowmoon Valley (61.29)
3) Altruis (chain quest from above)68Scryer: Larissa Sunstrike
Aldor: Exarch Onaala
Shadowmoon Valley (56.58)
Shadowmoon Valley (61.29)
4) Against the Legion (chain quest from above)68Altruis the SuffererNagrand (27.43)
5) Against the Illidari (chain quest from above)68Altruis the SuffererNagrand (27.43)
6) Against All Odds (chain quest from above)68Altruis the SuffererNagrand (27.43)
7) Illidan’s Pupil (chain quest from above)68Altruis the SuffererNagrand (27.43)
8) The Book of Fel Names (chain quest from above, drops from “Blackheart the Inciter” in “Shadow Labyrinth”)68Altruis the SuffererNagrand (27.43)
QUESTLEVEL OBTAINEDNPCLOCATION
1) Trouble at Auchindown68Spymistress Mehlisah HighcrownShattrath City (50.45)
2) The Codex of Blood (chain quest from above, get the Codex of Blood in Shadow Labyrinth)68Field Commander MahfuunTerokkar Forest, Auchindoun (40.72)
3) Into the Heart of the Labyrinth (chain quest from above, bash Murmur in Shadow Labyrinth)68The Codex of BloodIn Shadow Labyrinths
1) Find Spy To’gun (find To’gun in Shadow Labyrinth)68Spy Grik’thaTerokkar Forest, Auchindoun (40.72)
2) The Soul Devices (starts in Shadow Labyrinth)68Spy To’gunIn Shadow Labyrinths
QUESTLEVEL OBTAINEDNPCLOCATION
Pre-requisite quests to unlock “The Arcatraz” quests, “The Master’s Touch” questlines for “Black Morass”, and to gain the Key into “Karazhan”:
1) Arcane Disturbances68Archmage AlturusDeadwind Pass (47.76)
2) Restless Activity (chain quest from above)68Archmage AlturusDeadwind Pass (47.76)
3) Contact from Dalaran (chain quest from above)68Archmage AlturusDeadwind Pass (47.76)
4) Khadgar (chain quest from above)68Archmage CedricAlterac Mountains (16.54)
5) Entry Into Karazhan (chain quest from above, the “First Key Fragment” comes from “Shadow Labyrinth”). This questline continues in “Steamvault” and “Arcatraz”)68KhadgarShattrath City (55.44)

The Mechanar (Tempest Keep)

AliasMob RangeParty RangeType
Mech elite705 man
QuestLevel ObtainedNPCLocation
6) Fresh from the Mechanar (chain quest continued from
“Shadow Labyrinth”, next part is in “Shattered Halls”)
67David WayneTerokkar Forest (77.39)
Part of the questline to obtain the “Key to the Arcatraz” takes place in “The Mechanar”:
1) Assisting the Consortium (Aldor or Scryer)
2) Consortium Crystal Collection (chain quest from above)
3) A Heap of Ethereals (chain quest from above)
4) Request for Assistance (chain quest from above)
5) Rightful Repossession (chain quest from above)
6) An Audience with the Prince (chain quest from above)
7) Triangulation Point One (chain quest from above)
8) Triangulation Point Two (chain quest from above)
9) Full Triangle (chain quest from above)
10) Special Delivery to Shattrath City (chain quest from above)
11A) How to Break into the Arcatraz (the “Bottom Shard of the Arcatraz Key” drops from “Pathaleon the Calculator” in “The Mechanar”, the “Top Shard of the Arcatraz Key” is within “The Botanica”). This questline continues in “The Botanica”.67A’dalShattrath City (54.45)

Shattered Halls (Hellfire Citadel)

AliasMob RangeParty RangeType
SH elite705 man
QuestLevel ObtainedNPCLocation
7) Tear of the Earthmother (continued from “The Mechanar”, next part is in “The Steamvault”)67David WayneTerokkar Forest (77.39)
The Will of the Warchief67NazgrelHellfire Peninsula (55.36)
Pride of the Fel Horde66Shadow Hunter Ty’jinHellfire Peninsula (55.36)
The Trial of the Naaru questline continues here:
28) Trial of the Naaru: Mercy (“Unused axe of the execution” drops from Kargath Bladefist in “Shattered Halls”). This quest continued from “Trial of the Naaru:” Strength” in “Shadow Labyrinth” and “Steamvaults”. You’ll need to double back to do this after “Arcatraz”).

The Steamvault (Coilfang Reservoir)

AliasMob RangeParty RangeType
SV elite68-705 man
QuestLevel ObtainedNPCLocation
8) Underworld Loam (continued from “Shattered Halls”)67David WayneTerokkar Forest (77.39)
QUESTLEVEL OBTAINEDNPCLOCATION
Prerequisite quests to unlock “The Arcatraz” quests and gain the Key into “Karazhan” continues:
6) The Second and Third Fragments (the “Second Key Fragment” comes from “The Steamvault”, the “Third Key Fragment” comes from “Arcatraz”)68KhadgarShattrath City (55.44)
QUESTLEBEL OBTAINEDNPCLOCATION
The “Trial of the Naaru: Strength” continues from “Shadow Labyrinth”:
27B) Trial of the Naaru: Strength (“Kalithresh” in “Steamvaults” drops “Kalithresh’s Trident”, “Murmur” in “Shadow Labyrinth” drops “Murmur’s Essence”). This questline continues in “Arcatraz”.70A’dalShattrath City (54.45)

Black Morass (Caverns of Time)

AliasMob RangeParty RangeType
BM elite68-70 (65 minimum)5 man
QuestLevel ObtainedNPCLocation
The Master’s Touch” questline is one of the last quests for the Karazhan attunement. It should have been started when you entered “Old Hillsbrad Foothills” and is a pre-requisite for the “Black Morass” quests.
1) The Master’s Touch68KhadgerShattrath City (55.44)
2) Return to Khadgar (chain quest from above)68MedivhInside Black Morass
3) The Violet Eye (chain quest from above)68KhadgarShattrath City (55.44)
4) Assessing the Situation (chain quest from above)68Archmage AlturusDeadwind Pass (47.76)
5) Keanna’s Log (chain quest from above)68KorenInside Karazhan
6) A Demonic Presence (chain quest from above)68Archmage AlturusDeadwind Pass (47.76)
7) The New Directive68Archmage AlturusDeadwind Pass (47.76)
Additionally, the pre-requisite to the “Black Morass” quests is the “Old Hillsbrad Foothills questlines”.
1) The Black Morass66AndormuTanaris, Caverns of Time (58.54)
2) The Opening of the Dark Portal (chain quest from above)66Sa’atInside Black Morass near entrance
3) Hero of the Brood66Sa’atInside Black Morass near entrance
If you are level 68 and have 325 Alchemy, the following questline grants the Elixir Master specialisation:
1) Master of Elixirs (chain quest from above)68Apothecary AntonivichHellfire Peninsula (52.36)
2) Master of Elixirs (this part is done inside Black Morass)68LorokeemShattrath City (46.21)

The Botanica (Tempest Keep)

AliasMob RangeParty RangeType
BOT elite70 (65 minimum)5 man
QuestLevel ObtainedNPCLocation
The “Key to the Arcatraz” questline continues below:
11B) How to Break into the Arcatraz (the “Top Shard of the Arcatraz Key” is within “The Botanica”, the “Bottom Shard of the Arcatraz Key” drops from “Pathaleon the Calculator” in “The Mechanar”).67A’dalShattrath City (54.45)
Pre-requistite questline to “Capturing the Keystone” in “Arcatraz”:
1) Finding the Keymaster67Archmage VargothNetherstorm (58.86)
2) Capturing the Keystone (chain quest from above, this part is done in “The Botanica”)67Archmage VargothNetherstorm (58.86)
If you are at least level 68 and have 325 Alchemy, the following questline grants you the Potion Master specialisation:
1) Master of Potions (chain quest from above)68Apothecary AntonivichZangarmarsh (52.36)
2) Master of Potions (this part is done in “The Botanica”)68Lauranna Thar’wellZangarmarsh (80.64)

The Arcatraz (Tempest Keep)

AliasMob RangeParty RangeType
ARC elite705 man
QuestLevel ObtainedNPCLocation
The “Key to the Arcatraz” questline continues below:
12) Harbinger of Doom (continues from the “Break into the Arcatraz” questline from “The Botanica” and “The Mechanar”)67A’dalShattrath City (54.45)
Prerequisite quest to finish unlocking “The Arcatraz” quests and gain the Key into “Karazhan”:
6) The Second and Third Fragments (the “Third Key Fragment” comes from “Arcatraz”, the “Second Key Fragment” comes from “The Steamvault”)68KhadgarShattrath City (55.44)
Continuation of the Cipher of Damnation questline below unlocks “Trial of the Naaru: Tenacity”:
28) Trial of the Naaru: Mercy (“Unused axe of the execution” drops from Kargath Bladefist in “Shattered Halls”). This quest continued from “Trial of the Naaru:” Strength” in “Shadow Labyrinth” and “Steamvaults”. You’ll need to double back to “Shattered Halls” to do this).70A’dalShattrath City (54.45)
29) Trial of the Naaru: Tenacity (rescue Millhouse Manastorm from Arcatraz)70A’dalShattrath City (54.45)
Seer Udalo questline:
1) Tablets of Baa’ri
2) Oronu the Elder (chain quest from above)
3) The Ashtongue Corruptors (chain quest from above)
4) The Warden’s Cage (chain quest from above)
5) Proof of Allegiance (chain quest from above)
6) Akama (chain quest from above)
7) Seer Udalo (chain quest from above, find “Seer Udalo” in “Arcatraz”)68AkamaShadowmoon Valley (58.42)
8) A Mysterious Portent (chain quest from above)68UdaloInside Arcatraz
9) The Ata’mal Terrace (5 players)68AkamaShadowmoon Valley (58.42)

Magister’s Terrace (Isle of Quel’Danas)

This is where Pumpkin’s white chicken drops, so leave it alone. Pumpkin like Leeroy wants to be able to say “At least I got my chicken”!

AliasMob RangeParty RangeType
MT elite705 man
QuestLevel ObtainedNPCLocation
The only quest for Magister’s Terrace is “Hard to Kill” at the end of the following questline. This questline is required if you want to do this dungeon in Heroic Mode:
1A) Duty Calls (Scryer)70Dathris SunstrikerShattrath City (55.81)
1B) Crisis at the Sunwell (Aldor)70Adyen the LightwardenShattrath City (31.35)
2) Magister’s Terrace (chain quest from above)70Exarch LarethorIsle of Quel’Danas (47.31)
3) The Scryer’s Scryer (chain quest from above)70TyrithIn Arathi Basin
4) Hard to Kill (chain quest from above, get Kael’s head from Magister’s Terrace)70KalecgosIn Arathi Basin