Nyzul Isle NMs

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Which notorious monsters you can meet on Nyzul Isle floors, what they do, and what they drop.

Nyzul Isle Investigation: boss floors

The boss floors are every 20th floor. The boss is the floor's enemy leader. An Archaic Rampart stands on the floor too, but you don't have to kill it.

Floors | Possible bosses |
20, 40 | Adamantoise, Behemoth, Fafnir |
60, 80, 100 | Khimaira, Hydra, Cerberus |

Adamantoise (adamantoise). It fights like the Valley of Sorrows HNM. It has very high defence and low HP, and it pulls in anyone attacking from out of range. It strongly resists Earth and Water and can't be Slowed, Stunned, Poisoned or put to Sleep, but Bind and Gravity work. Elemental magic is the way to kill it. Like the other floor 20 and 40 bosses, it always drops one random Nyzul weapon. It can also drop the floor's boss armour: feet on floor 20 (Askar Gambieras, Denali Gamashes, Goliard Clogs) and legs on floor 40 (Askar Dirs, Denali Kecks, Goliard Trews). Killing it here does not give the title.

Sources: https://wiki.ffo.jp/html/6362.html, https://wiki.ffo.jp/html/11114.html

Nyzul Isle Uncharted Area Survey: floor NMs

The Survey has its own NMs on its regular floors. They are not the Investigation's. Each floor range has its own list. NMs from the list wander the floors, and on an "Eliminate the enemy leader" floor the leader is one of them. Monsters on the Survey are raised to high levels.

Killing one of these NMs drops one Alexandrite. The Survey's floor NMs don't drop Nyzul weapons.

Each NM also leaves an Armoury Crate where it dies. Open it to get that NM's unappraised ??? item (for example, a ??? Sash from Gwyllgi). Take it to an appraiser like any other ??? item. It has a small chance of turning into the item in the Appraisal column (the Sash from Gwyllgi can become a Gosha Sarashi). Otherwise you get a basic item, such as a Leather Belt from the Sash. The official rate isn't published; Vanadreams uses 5%.

Sources: https://wiki.ffo.jp/html/26165.html, https://www.bg-wiki.com/ffxi/Nyzul_Isle_Uncharted_Region, https://wiki.ffo.jp/html/4522.html (appraisal)

Floors 1-19

NM | Family | Appraisal |
Amanita | funguar | Tenax Strap |
Tococo | bird | Armiger's Lace |
Duke Decapod | crab | Pelte |
Rambukk | ram | Bukktooth |
Numbing Norman | bee | Pike |
Yara Ma Yha Who | sapling | Fasting Ring |
Barbastelle | bat | Felling Axe |
Doppelganger Gog | shadow | Cruel Spear |
Nocuous Weapon | evil weapon | Disciple Grip |
Ghillie Dhu | sapling | Estramacon |
Slumbering Samwell | sheep | Samwell's Shank |
Habrok | bird | Besieger Mantle |
Teporingo | rabbit | Succubus Grip |
Desmodont | bat | Fidelity Mantle |
Maltha | slime | Trailer's Tunica |
Wake Warder Wanda | crab | Melampus Staff |
Chocoboleech | leech | Gassan |
Doppelganger Dio | shadow | Cruel Scythe |

Floors 21-39

NM | Family | What it does | Appraisal |
Gwyllgi | hound | Uses Poison Breath and Methane Breath often. | Gosha Sarashi |
Hercules Beetle | beetle | | Black Hose |
Yal-un Eke | cluster | Its only move is Sling Bomb. It has Regain, so near death it throws Sling Bombs one after another. | Beacon Cuffs |
Skewer Sam | cockatrice | | Wind Spear |
Edacious Opo-opo | opo-opo | | Nanban Kariginu |
Hippomaritimus | pugil | | Channeling Robe |
Kirata | tiger | | Boreas Cesti |
Mucoid Mass | slime | | Spellcaster's Ecu |
Sekhmet | coeurl | | Layqa Seraweels |
Patripatan | coeurl | | Nous Arbalest |
Mycophile | funguar | | Mycophile Cuffs |
Koropokkur | mandragora | | Aega's Doublet |
Serra | pugil | | Volans Greaves |
Noble Mold | funguar | | Rain Hat |
Megalobugard | bugard | | Hercules' Ring |
Waraxe Beak | cockatrice | | Monsoon Tekko |
Herbage Hunter | crawler | | Precision Bandana |
Dosetsu Tree | treant | | Raikiri |

Floors 41-59

NM | Family | What it does | Appraisal |
Hazmat | bomb | It has no TP moves. It casts only Flare, about three times faster than normal, for around 1000 damage. Shadows help. It can't be Silenced, put to Sleep, Bound or Gravity'd. | Promptitude Solea |
Death from Above | bee | | Hornetneedle |
Hovering Hotpot | magic pot | | Sleight Kukri |
Skull of Gluttony | skeleton | | Gluttony Sword |
Skull of Sloth | skeleton | | Sloth Wand |
Skull of Pride | skeleton | | Pride Staff |
Diamond Daig | beetle | | Protecting Bangles |
Nussknacker | lizard | | Sand Gloves |
Cwn Cyrff | hound | | Swan Bilbo |
Okyupete | roc | It won't attack first. It alternates Giga Scream and Dread Dive, its only moves. It gains TP very fast, so the moves come often late in the fight. | Shepherd's Chain |
Boroka | hippogryph | | Boroka Earring* |
Habetrot | crawler | | Twincoon |
Skull of Greed | skeleton | | Greed Scimitar |
Skull of Lust | skeleton | | Lust Dagger |
Skull of Envy | skeleton | | Envy Spear |
Skull of Wrath | skeleton | | Wrath Tabar |
Demonic Tiphia | bee | | Tiphia Sting |
Woodland Sage | treant | | Sunlight Pole |

Floors 61-79

NM | Family | What it does | Appraisal |
Picolaton | roc | Its only move is Stormwind. Its hits add 20-50 wind damage. It has Regain and uses it hard at low HP. It can't be put to Sleep, Bound or Gravity'd. | Thrakon Breastplate |
Amemet | lizard | | Amemet Skin |
Rogue Receptacle | magic pot | Uses Double Ray often from the start. Double Ray goes through Utsusemi. Its hits add light damage. | Lyricist's Gonnelle |
Arachne | spider | | Arachne Web |
Oni Carcass | doomed | | Onikiri |
Splacknuck | eft | Uses Nimble Snap often. It is always under Enwater and has Triple Attack. | Knack Pendant |
Shii | hound | | Sukesada |
Yowie | raptor | | Yowie Skin |
Drexerion the Condemned | shadow | | Flagellant's Crossbow |
Lizardtrap | flytrap | | Fenrir's Crown |
Phanduron the Condemned | shadow | | Ascalon |
Gloom Eye | ahriman | Alternates Eyes On Me and Blindeye. One of them hits for 500+. Gravity and Bind do nothing, but Paralyze, Slow and Blind work. | Wit Pendant |
Barbaric Weapon | evil weapon | Its only move is Whirl of Rage, used often late in the fight. Each use gives it Dread Spikes for about 30 seconds. It has Double Attack. Sleep, Bind and Gravity do nothing. Paralyze, Slow and Stun work. | Rover's Gloves |
Calchas | scorpion | Uses Venom Storm often, an area poison of 20 HP every 3 seconds. It has Triple Attack. Sleep, Bind and Gravity do nothing. | Fuchingiri |
Ose | coeurl | | Assault Jerkin |
Lumber Jack | beetle | | Bloodsword* |
Elel | corse | | Frenzy Sallet* |
Lindwurm | raptor | | Valiant Knife |

Floors 81-99

NM | Family | What it does | Appraisal |
Narasimha | manticore | | Narasimha Hide |
Lord of Onzozo | sea monk | | Octave Club (unconfirmed on BG-Wiki) |
Nis Puk | puk | | Tempest Belt |
Ancient Goobbue | goobbue | | Daihannya |
Voluptuous Vivian | morbol | | Vivian Ring |
Kreutzet | bird | | Sirocco Kukri |
Ogama | doomed | | Amanojaku |
Tarasque | lizard | | Ascention* |
Ash Dragon | dragon | | Murasame |
Charybdis | sea monk | | Joyeuse |
Copper Borer | wamouracampa | It never curls up. It is always under Blaze Spikes and Enfire. Its only move is Thermal Pulse: fire damage around it that also Blinds and strips Utsusemi. Sleep, Bind and Gravity do nothing. Slow, Paralyze, Blind and Poison work. | Wayang Kulit Mantle |
Bune | wyvern | | Enhancing Sword |
Mahishasura | marid | | Veuglaire |
Gharial | wivre | It always attacks twice and hits very hard. Demoralizing Roar is always followed at once by Boiling Blood. It has Regain. Heavy, Bind and Sleep do nothing. Poison, Paralyze, Blind and Slow work. | Tartaglia |
Aynu-kaysey | qutrub | Mangle hits three times; Shell helps against it. It also has a one-hit cut that Stuns. Its hits drain HP, and it often Triple Attacks. It uses no magic. | Cinquedea |
Killer Jonny | cockatrice | Its only move is Sound Vacuum. Its hits add a strong poison (100 HP every 3 seconds), and it often Double Attacks. Its accuracy is low, so evasion tanks do well. | Fendoir |
Ignamoth | wamoura | Erratic Flutter, and Fire Break, which does less damage th [cut off]