There doesn't seem to be such a thread, I will post as I come across it.
Do update and I will confirm asap.
Criteria is auto respawn without needing to do anything.
Suggestion is do it on normal, if you haven't done the quest, elite finish it first and come back for it on normal.
By Level.
Level 1-3:
Korthos- Wildness- Aquaduct- Sacrifices
1- Humans
1st L junction after the bridge(Note they spawn so very slow)
Level 1-3:
Korthos- Wildness- Underground Complex- Stopping the Sahuagin
1- Sahuagin
1st Y junction right side just at the door.(Note they spawn quite slow)
Level 3-5:
Catacombs- The Patriarchs' Crypt- Setting the Wards: The Lower Cathedral- 3 locations
Do not click the altars.
1- Ghouls
2- Zombies
3- Skeletons.
(Note skeletons seem to need some twitch movement for them to spawn so might not be the best optimal location to farm, you can find a hard point, press R to make them spawn.)
Level 4-6:
Marketplace- The Sharn Syndicate- The Stormreaver Fresco
T junction just after you break the 2 crystals. They will spawn where that round thing on the wall is.
1- Iron Defender.
(Named Iron defender and named zombie if you can find the right chest to unlock also, minor portal inside)
Level 4-6:
Harbor- Waterworks- Part 3 Venn's Trail: Clan Tunnelworm
Just inside the entrance, turn left in the water where there are a few gate wheels.
After you drop into the hole into the water, the koblods on the catwalk all respawns, beware lightning bolt from 2 shamans.
1- Grey Ooze.
2- Koblod Warrior.
3- Koblod Thrower.
4- Koblod Shaman.
(Named Koblod, Troglodyte and "named hobgoblin)
Level 4-6:
Harbor- Waterworks- Part 4 Venn's Trail: Venn's Fate
Go in turn left, 1st cross junction, spawn at the alarm gong.
1- Kobold Warrior.
(Named Koblod and Ogres.)
Level 5-7:
House Phiarlan- Phiarlan Carnival- Partycrashers- Side door
Do not destroy the last 4 mark of shadows.
1- Lion
2- Wolf
Player race not worth the effort as you need to keep zoning in and out of doors, not auto respawning.
(Named elf, giant and abishai inside also)
Three barrel cove- Wildness- Ghost of a Chance
Just before the warforge corridor.
1- Human Pirate
2- Ancient Warforged
3- Guard Dog
(As long as you havent done Captain Howell Goldhorn part they will keep respawning)
(Named sea troll in hidden underwater cave, Warforged Prototype at end of T junction, Captain Howell Goldhorn in room.)
Level 6-8
House Phiarlan- The Necropolis- The Bloody Crypt
Just outside the last chamber where the shrines in the middle area.
1- Gallows Wight
(Named vampire inside.)
Level 6-8
Wynwood Hall - Hilda Bitterspine - Feywild- The Icemount Curse
The Sky Oak Sap will appear in the aqua-colored bowl at the end of the tile puzzle. The first red tile in the Sky Oak will spawn Feywild Vine Blights.
1- Feywild Vine Blights
(Named unicorn, giant golem inside.)
Level 6-8
The Twelve - Tara Fenwyth - Memory Lapse
Near book shelves, dont get too close and destroy the shelves, they spawn from shelves.
1- Crushing Details (Animated Object)
2- Uncontrollable Urge?(Dretch)
3- Shocking Idea (Mephit)
4- Distracting Fantasy (Succubus)
(Named dragon, human inside.)
Level 7 only:
Sorrowdusk Isle.
1- Night Scorpions
(Between Grey Moon Den and Troll Lair, just beyond the stone on the path.) (Very slow spawn)
Level 7-9:
House Deneith- The Pit
1- Fire elemental.
Any furnace location as long as force field is not activated.
2- Huge grey ooze.
Right at the bottom.
(Muck sometimes spawn at the bottom also)
(Can be done after quest is finished)
(Note they spawn quite slow)
Level 7-9:
The Isle of Dread- The Curse and the Captive Crustacean
1- Marauder Warrior.
2-Marauder Sorcerer
3-Marauder Skirmisher?
4-Dread Velociraptor
(If it ever get added to monster manual)
5-Dread Celiophysis
(If it ever get added to monster manual)
They will keep spawning as long as you dont do anything to the crab.
Named dinosaur in top right corner of island and 3 named will spawn at crab.
Level 7-9:
House Deneith- Storm the Beaches
1- Wolf.
2- Wildman.
(If it ever get added to monster manual)
Choose spymaster mountain path, I suggest park yourself somewhere near the shrine at the halfway point going up.
Named Orc inside building, human, koblod top floor and minotaur on ship.
Level 7-9:
House Phiarlan- Arzag-Khor Sewers- The Tear of Dhakaan
1-Hobgoblin.
Auto respawn point is at the village, you need to go all the way inside more then 3/4 just to reach it.
Plenty of named hobgoblins inside.
Level 9-11:
House Phiarlan- Ruins of Threnal- Part 1- The Library of Threnal
1- Huge Rust Monster.
2- Glass Spider Queen.
After the 2 golems, down the passageway before the bookshelves.
Named render inside the library.
Level 9-11:
House Phiarlan- Ruins of Threnal- Part 2- Escort the Expedition
1- Huge Rust Monster.
2- Glass Spider Queen.
After the 2 golems, down the passageway before the bookshelves.
Clear 1st part and park the Coyle Lovell and the 2 expedition members at the shrine.
Named render inside the library.
Level 10-12:
House Deneith- Sorrowdusk Isle- Cult of the Six- The Sanctum: Quench the Flames
1- Mephit.
Best location is on the left of the map, west, there is a ledge above the blade trap you can jump up and be quite safe there.
Do not destroy the summoning fire or they will stop respawning.
Level 11-13:
Market- Zawabi's Refuge- Vulkoorim Spiral, hidden in the southeast of the Demon Sands- An Offering of Blood
1- Drow.
2- Scorpion.
3- Scorrow.
Best location is where you 1st drop down, there are scorrows, scorpions and drow who auto respawns. Other locations are either scorrow or scorpions.
Scorpions are plenty under the bridge.
2nd lock door is a good scorrow place.
Leave the bridges down for faster effect.
Level 12-14:
Market- Zawabi's Refuge- Demon Sands- Tomb of the Wizard-King
1- Menechtarun Ghast.
The underground chamber straight from the entrance.
Best is place hires at different points to speed things up.
(Named efreet, djinn and mummys inside at various locations.)
Level 12-14:
Lordsmarch Plaza- Tollis Kalmor- Eyes of Stone
1- Droaam Demolitionist.
The kitchen the tunnel there, stay away from the tunnel and wait for koblods to come up, they will keep spawning.
(Named medusa, gnoll and troll inside at various locations.)
Level 12-14:
House Deneith- Temple of the Sovereign Host- House Kundarak- Black Anvil Mines- A Relic of a Sovereign Past
1- Earth Elemental.
1- Fire Elemental.
In the main chamber, as long as you never kill the summoners the elementals will respawn. Problem is you need to catch their aggro and stay far enough away not to kill them but near enough that the elemental will come attack you.
(Named dwarves inside at various locations.)
Level 12-14:
Harbor- Waterworks side entrance- Invaders
1- Thaarak Hound.
2- Flesh Render.
3- Ice Flenser.
Choose a portal and park right in front of it, beware the black stuff moving randomly, they give debuff, stay on an elevated location if possible.
(Named beholder, render, flenser and hell hound inside at various locations.)
Level 13-15:
Lordsmarch Plaza- Lordsmarch Palace- Graden Wylkes- Stormreach Harbor- Blockade Buster.
1-Droaam Combat Engineer (orc)
2-Droaam Conscript (orc)
3-Droaam Gnoll Archer
4-Droaam Infantry (orc)
5-Droaam Sapper (koblod)
6-Droaam Skirmisher (orc)
7-Droaam Vanguard (ogre)
8-Droaam Warmage (gnoll)
9-Droaam Warpriest (gnoll)
Swim to the top of any ships, recommend the centre one, ring the bell and just stay there, dont go inside. They will spawn outside the doors. Due to bug they some times spawn on other ships and get stuck. I've seen gnolls spawn inside the ship below the helm and need aoe sonic to kill or they wont respawn.
(Named ogre, orc, koblod and goll inside at various locations.)
Level 13-15:
Market- Ruins of Gianthold- Aurum Lair- Auto quest at location- Foundation of Discord.
1-Elder Air Elemental
2-Elder Earth Elemental
3-Elder Fire Elemental
At the last part of the quest, where the 4 gongs are, kill all the mobs then ring the 4 gongs. Kite the elementals you dont want into the hole and leave them there.Fire elementals spawn to the left, earth to the right, air at the back.Recommend wait for your summons to time out before starting this. Control your hires. Recommend leave them on high places. Do not kill the dwarf. or no more respawns. Stay away from the hole in the centre.
(Named dwarves at runes and ending.)
Level 16-18:
Level 21-27:
Harbor- Felnis - The Road to Tarath Marad - Servants of the Overlord
1- Khyber Reaver.
After getting the two spider crest, above the arch, at the drow area, Fire reavers will spawn nonstop even before you can kill the last batch. Do not pull the lever as long as you want them to respawn. Note the lever takes very long to pull, but you can run away, they dont seem to chase far.
(Named hezrou, reaver, hellhound and drow at various points inside.)
Level 17-19:
The Twelve- Rorry Malcanus - The Sleeping Spell Inn
1- Evil Eye.
(If it ever get added to monster manual)
2- Greater Evil Eye.
(If it ever get added to monster manual)
3- Young Beholder.
4- Frost Beholder.
5- Xorian Render.
They spawn in almost all the rooms and will run around looking for something to kill, will start after the mimic run into the laundry room and get caught.
(Named mind flayer, beholder and mimic at various points inside.)
Level 17-19:
The Twelve- The Tower of the Twelve - Krannoch Flamehand -Krannoch Flamehand
1- Gargoyle Minion
Near the start, besides the 1st duergar mining group at the mushroom.
(Named cat, giant, medusa and gargolye at various points inside.)
Level 17-19:
The Marketplace - Aurben -Falconer's Spire -Captain Agamon -jump -Reaver's Refuge -The Stormreaver -H'rosin -Aussircaex's Valley -Prey on the Hunter
1- Frost Giant
(If it ever get added to monster manual)
2- Drow Slave
3- Frost Wolf
They spawn all over the place inside, no specific point, just in front of entrance is enough.
(Named giant and dragon at various points inside.)
Level 17-19:
The Marketplace - Aurben -Falconer's Spire -Captain Agamon -jump -Reaver's Refuge -The Stormreaver -Khiin -Mount Reysalon -Enter the Kobold
1- Living Delayed Blast Fireball
2- Living Firestorm
3- Living Meteor Swarm
4- Frenzied Fire Elemental
5- Fire Mephit Warrior
At end zone boss fight, as long as you dont kill end boss they keep respawning. Recommend staying in the cave entering the boss fight to keep some distance from the boss.
(Named koblod at various points inside.)
Level 17-19:
The Marketplace - Aurben -Falconer's Spire -Captain Agamon -jump -Reaver's Refuge -The Stormreaver -Milaxia -Soami Gardens -Monastery of the Scorpion
1- Claw of Vulkoor
2- Drow
After you jump down from starting floor they keep respawning all over the place.
(Named drow and scorpion at various points inside.)
Level 19-21:
House Cannith- Cannith Manufactury- Cannith Power Works- Power Play
1- Bladesworn Tempest.
2- Bladesworn Paladin.
3- Bladesworn Cleric.
4- Bladesworn Assassin.
5-Bladesworn Artificer.
From entrance you turn left, after the room with the shrine, there is a crystal where a tempest and an assassin will always appear.
After you activate all the crystals, at the water, if you go in the room on the right, bladeforge(warforge) will keep spawning nonstop.
(Named animated object and warforge at various chest inside.)
Level 19-21:
House Cannith- Cannith Manufactury- Syrania Conduit Floor- Schemes of the Enemy
1- Warforged Titan.
There is a long go around before you can get to the titan, its in the big room, it shoots and it smash, so not easy to handle.