How to get the LDoN you need (for explorer)

[Taedianfleur]

In my searches for a less frustrating way to do this, I came upon this thread on the EverQuest forums https://forums.daybreakgames.com/eq/ind ... ed.242832/

Which I have copied and edited as it evolves over the course of the thread as such: Basically, by refusing single boss instances until you get one that has the correct boss name, you exponentially increase your odds of getting the dungeon that you need (see notes after list as well)

Raids
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-Miragul's Menagerie
Folly of Miragul's Ambition : The Heart of the Managerie
Frozen Nightmare(Qileour Bahiael) : The Maw of the Menagerie
Spider Den(Mathii Faurls) : The Spider Den

-Deepest Guk
The Curse Reborn(Ruwakka): The Forboding Prison
The Rescue(Scout Miigle): The Ancient Aqueduct
Ritualist of Hate(Friggal Bribbitz): The Root Garden

-Mistmoore
Scion Lair of Fury(Glopruk Tigglum) : The Ritualistic Summoning Grounds
Struggles within the Progeny(Kroggl) : The Asylum of Invoked Stone

-Rujarkian Hills
Prison Break(Luarnn Gibbizt) : The Gladiator Pits
War March of Imal Ojun(Uzmanya Zsiksta) : The Barracks of War
Hidden Vale of Deceipt(Chaenz Abella) : The Hidden Vale (Tributes:Kill everything, pop your tribute merchant and fill them up!)

-Takish-Hiz
The Palace Grounds(Dizzl Nulzik) : The River of Recollection
Sunken Library(Tarakix V'Rasyrn) : The Sunken Library
Within the Compact(Efrelle Treiui): The Fading Temple

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By picking a Single Boss target at any setting you will get the name of the boss you need to kill in the adventure window. Just attribute the name to the layout to the rare and cycle through the adventures untill you get the one you need.
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Deepest Guk:
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-The Cauldron of Lost Souls: Gaz Commander Nezeim, Lokta Ancient Giddib, Lord Drigo
-The Chapel of the Withness: Poxtongue, Yaszil the Assassin, Arch Lich Xakasis
-The Musroom Grove: Zukta Luiv, Aikyik of the Cauldron, Korta Archpriest Bhotea
-The Accursed Sanctuary: Bazrael Firefall, Tazih the Eternal, The Cauldron Keeper
-Drowning Crypt - Jinta Savant Grisk, Madakan, and Oime Ugun.
-The Ancient Aqueduct: Zukta Likae, Shinta Captain Yaem, Yunta Spiritmaster Efferael
-The Foreboding Prison(Can fish): Uthiur the Fallen, Jinta Archwizard Zxiri, Shadowcreeper
-The Root Garden: Jinta Savant Grisk, Darta Berserker Tiriut, Airerick the Nightdweller
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Miragul's Menagerie:
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-The Maw of the Menagerie: Shyar the Shard, Glacius, Grand Sage Havori
-The Morbid Laboratory: The Flesh of Osoros, Painsinger, The Nibbler
-The Spider Den: Elder Phalanea, Pulgrish the Ancient, Summoner Sghrene
-The Theater of Imprisoned Horrors: Orgogzolok, Soulroar, Jebreusulun
-The Forgotten Wastes: Towering Monstrosity, Beguiler Chetrea, The Silent Choir
-The Heart of the Menagerie: Synarcanic Essence, Synarcanic Presence, The Fireborn
-The Hushed Banquet: The Prime Steward, Charaex the Mastodon, Ancient Marrow
-The Grand Library: Bilach of Avarice, Riddlesting, Sionul the Savage
-The Silent Gallery: Zubruiz the Mindful, Vkaziz the Defiler, Soulstorm
-Frosted Halls: Ianlai the Corrupted, Balaeluo the Inflictor, The Dream Defiler
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Mistmoore's Catacombs:
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-The Forlorn Cavern: Ulyist Son of Night, Khestin the Bold, Fesset the Leech
-The Dreary Grotto: Master Larithim, Warlord Thavrin, Serpent the Lost
-The Asylum of Invoked Stone: Prince Aviatis, Kuren K'sayen, The Keeper of Flesh
-The Chambers of Eternal Affliction: Grandsteward M'rakish, The Keeper of Blood, Numelou the Learned
-The Sepulcher of the Damned: Keeper of Breath, Yavrin,, Harvestmaster Viestri
-The Ritualistic Summoning Ground: Avedranna, Empress Atiache, Dierdri the Raven
-The Cesspits of Putrescence: Bial the Blade, The Widow, Midwife M'seri
-The Aisles of Blood: Crypt Watcher, Lady Tsaellia, Sivli Starsiren
-The Halls of Sanguinary Rites: Baelthorn Born of Blood, Hhovris, Fleshspinner
-The Infernal Sanctuary: Eclipse, Huketsa the Ageless, Oneblood
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Takish-Hiz: Boss that share layout are marked with a *
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-The Sunken Library: Prince Jerranad, Deceiver Yerik, Master Architect Naida
-The Shifting Tower: Tempest, High Flowkeeper Meirgad, Queen Ederissa
-The Royal Observatory: Petroglyph, King Bohagord, Guard Captain Raston
-The Antiqued Palace: Master Maexon, Grand Librarian Enarel
-The Balancing Chamber: Chancellor Etometh, Lord Pasreet, and Shadow Assassin Juni (Not sure if it matter but the only 1 time I got this layout out of 100+ was when I got a collect of 26 Crystallized Sand Elf Hearts.)
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Shared targets
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-The Prismatic Corridors: The Great Summoning, Arch Priest Grylith*, Prince Jerranad
-The River of Recollection: Zelifa Corollaire*, The Keeper of the Tides, Arch Priest Grylith*
-The Sweeping Tides: Zelifa Corollaire*, Lord Pasreet, High Preservationist Dorjan*
-The Sandfall Corridors: Grilnir the Unrelenting*, High Preservationist Dorjan*, Vagrant Nalikad
-The Fading Temple: Grilnir the Unrelenting*, Sand Spirit of the South, Mistress Solavia
-The Great Summoning, Arch Priest Grylith* and Prince Jerranad*
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Rujarkian Hills: Boss that share layout are marked with a *
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-The Drudge Hollows: Nsat Egne, Tjumen Mayok Ibu, Tjumuen Ghendi
-The Gladiator Pits: Dokolet of Rujark*, Vokrek of Rujark*, Maotog One Tusk*
-The Barracks of War: Dokolet of Rujark*, Vokrek of Rujark*, Maotog One Tusk*
-The Halls of War: Dokolet of Rujark*, Tehyul Master of Steel, Vdure Bonecrusher, Xendren Marl
-The Blazing Forge: Fendr the Spiritcaller, Noyon Kteggen, Noyon Ztun
-The Hidden Vale: Orut Egne*, Kyten the Slightless, The Rujarkian Jeweler
-The Wind Bridges: Orut Egne*, Orlok Dtuak, Orlok Nebendis
-The Bloodied Quarries: Ubril Vkelrel, Sikl the Manslayern, Warmaster Skooru*
-The Arena of Chance: Pyol Skinsear*, Elokoh the Trainer, Warmaster Skooru*
-Fortified Lair of the Taskmasters: Pyol Skinsear*, Urett Marl, Fhenit Fleshflayer
>>Captive Coin Bleeder, Steelslave Trader, Murdering Slave, Farmished Slave, Bloodied Harrower<<only spawn in The Arena of Chance

For each zone geometry there are 3 possible bosses when selecting Single-Boss dungeons.

You would only be guaranteed not to request a specific geometry if all 3 bosses of that geometry were in your last 5 played (each boss is a unique entry, not each geometry).
Upon further reading I saw that another person had come up with a manner of finding specific instances by the count of kills required for a kill count mission, as follows:
50 - Wind Bridges
51 - The Blazing Forge
53 - The Drudge Hollows, The Fortified Lair of the Taskmasters
54 - The Hidden Vale, The Arena of Chance
56 - The Bloodied Quarries
58 - The Gladiator Pits
60 - The Halls of War, The Barracks of War
Hope that's helpful!
-Taed

[Lydialee]

Deepest Guk has 2 entrances. A rotten log in Innothule Swamp and a barricaded door in Upper Guk. There are 4 each:

Upper Guk: Accursed Sanctuary, Chapel of the Witnesses, Drowning Crypt, Ancient Aquaducts

Innothule Swamp: Cauldron of Lost Souls, Foreboding Prison, Mushroom Grove, Root Garden

[Zephur]

Prince Jerranad can be in Takish-Hiz Prismatic Corridors. Just had it.

[Taedianfleur]

Thanks Zephur and Lydialee! I updated my original post to contain your addition, Zephur, and I think that I'm going to completely rewrite the post to be more easily read, lol, at which time I'll make sure to include Lydialee's update...hmm, well, the servers are down atm, so maybe I will just do that now, lol.