~Hack~ Final Fantasy IV: Ultima Monster Scan Locations - RetroAchievements/guides GitHub Wiki

This guide was designed for the hack’s ver. 2022 Rev25c. If you’re playing a different version, some of the information presented here may not be accurate.

This is a detailed monster location guide that you can use in tandem with the Bestiary Entries list to mark off all of the scans throughout the game. There will be repeat entries due to monsters having multiple available locations, since you may or may not want to do the new content as it comes up right away. That’s why you should use the Bestiary Entries to actually mark off your scans.

Monsters with a [BR] next to them can be found again in the endgame boss rushes, so don’t worry if you missed anyone. Note that you can do New Game Plus to go through the story again. This simply serves as an alert to one-time enemies if you don’t want to do scans during the more difficult boss rushes. Some enemies cannot be scanned during the story, but can be during the boss rushes. I will alert you to those instances with the [BR only] mark next to them. The only two monsters who never show up in the boss rushes are the two forms of Zeromus – the stringy blue monster that you have to use the Crystal on, and the final boss of vanilla FF4.

Baron to Mist Village

Imp
Eagle
FloatEye
Larva
Eyewing
SwordRat
Mist D. [BR]
MistRage [BR]
Girl (Rydia) [BR] (the Titan she summons does not have a bestiary entry)

Note that there is a mountain range far west of Baron and Mist Cave that can be traversed with new monsters from a different pool of monsters to scan. This is a bad idea though, since these monsters are way too dangerous for Cecil and Kain to handle. If you so desire, you could attempt to scan and run, but be mindful of your money and resources. I noticed that the party members didn’t start getting any substantial level increases until after defeating Mist Dragon, so if you’re interested, consider coming here after that battle. Better yet, do this after taking the Serpent Road from Mysidia to Baron. For information’s sake, I opted to take this dangerous trek and scan all of the possible monsters as early as possible. They will be written in their respective sections as well (indicated in brackets) if you want to scan them at the appropriate time instead.

Gatlinger (overworld between Mt. Hobs and Fabul, overworld near Silvera)
Hydra (lots of different locations)
CaitSith (overworld near Silvera, Magnes Cave)
Treant (overworld near Silvera)
Echidna (Ancient Grotto, Mystery Forest)
Lilith (Mt. Ordeals)
Soul (Mt. Hobs)
TrapRose (overworld near Silvera, overworld near Troia)

Kaipo to Damcyan

Rydia does not learn Scan until level 4. I recommend recruiting Tellah before doing any scanning so your party is much safer. Tellah does not come with Scan however.

Captain [BR only]
Soldier [BR only]
Hundlegs
Sand Hag
SandWorm
Toebiter
Vile Shell
WaterBug
Zombie
CaveToad
Jelly
Alligator
TinyMage
WaterHag
Toadgre
Octomamm [BR]
Bard (Edward) [BR only]

Antlion Cave

Even in the boss rushes, the monster marked as “?” (the WaterHag creature that Edward fights during the Kaipo night scene) did not produce a unique bestiary entry.

ImpCapt.
Cream
Basilisk
Turtle
Weeper
Antlion [BR]

Mt. Hobs to Fabul Ship

Rosa does not have Scan as one of her spells. None of the enemies during the Fabul attack can be scanned either. During the boat ride to Baron, there are two new encounters added with monsters from the Baron Underground Waterway.

Soul
Skeleton
Bomb
GrayBomb
Cockatrice
Gargoyle
Mom Bomb [BR] (both its initial form and its red cloud form are treated as the same)
Redbones
Gilgamesh [BR]
Dragoon (Kain) [BR only]
ElecFish
Crocodile
AquaWorm

Mysidia overworld & Mt. Ordeals

Zu
Ghoul
Lilith
Skulnant
Milon [BR]
Milon Z. [BR]
D. Knight [BR] (this is the solo Paladin Cecil boss fight)

Baron revisit

Guard
Monk (Yang) [BR]
Baigan [BR]
Left Arm [BR] (seen on the viewer’s right side)
Right Arm [BR] (seen on the viewer’s left side)
Cagnazzo [BR]

Airship Exploration – Agart & Eblan overworld areas, Castle Eblan

BlackLizard
Ironback
Flamedog
Lamia (this and the following monsters are from chests in Castle Eblan)
Coeurl
Mad Ogre
Stoneman
Skuldier

Ancient Grotto, Cave Oasis, Southwest Baron Cave

GiantBat
VampGirl
Witch
EpeeGirl
Naga
Green D. (in Southwest Baron Cave chest)
Marilith [BR]

Troia Chocobo Forest, Magnes Cave, Mystery Forest, W. Fabul Basin Trail

Vulture (this is not a missable scan since they can be encountered in Mt. Heavensward later)
CaitSith
Ogre
Mage
Dark Elf [BR] (the scan will not register during the first forced loss fight. Do it in the second battle for it to count)
Dark D. [BR] (this is a separate scan from Dark Elf’s, even though it’s the same battle. It can found again in the small patch of water in the right side of Ice Cave, next to the X-Potion chest)
Magissa [BR]
Tonberry [BR]
Sorcerer
Evil Doll
BlackKnight
Icebeast
Ice Lizard
Gremlin
Conjurer (chest in Fabul Basin)

Tower of Zot

Centaur
Tofu
Tortoise
Mindy [BR]
Cindy [BR]
Sandy [BR]
Valvalis [BR] (don’t scan her while she’s in whirlwind form. She has to be in her normal form for it to register)

Dwarven Castle, Unknown Cave, Tower of Babil (Underworld segment)

In Tower of Babil, the Egg enemies are labeled as “?” and are not counted as entries in the bestiary. Whatever hatches out of it will be counted.

Dark Imp (overworld)
Cal [BR]
Brina [BR]
Calbrina [BR] (allow the dolls to merge together)
Golbez [BR] (the Shadow Dragon he summons does not have a bestiary entry)
RockMoth (overworld)
Warrior (Unknown Cave chest)
Tunneler (overworld)
Magma G. (they can be encountered in the Volcano later)
Beamer
Alert
FlameMan
Chimera
Nagaraja (summoned by Alert, not missable)
Stoneman (if you didn’t open the chest in Castle Eblan)
Dr. Lugae [BR]
Barnab [BR]
Barnab-Z [BR] (defeat Barnab first, and wait for Lugae to say, “My Barnab… Fine! I’ll control it myself!” You want to be quick, since Lugae presses a button that causes him to self-destruct very shortly after Barnab-Z appears)
Dr. Lugae [BR] (this is a scan in the second battle that is separate from the first battle. You’ll see that his HP values are different here. You can do the scan when he’s either in his human form or in his zombie-like form)

Island Peak, Skyway/Mt. Heavensward, Ice Cave, Northeast Baron Cave

IceKnight
Calofisteri [BR]
Were Bat
Sky D.
Clapper
Green D. (if you didn’t go to Southwest Baron Cave)
Vulture (in case you missed it in Troia Chocobo Forest)
Yellow D.
Ice D.
Shinryu [BR]
Icebeast
Screamer
Balloon
Yeti [BR]
Silverman
Lamia Q.
Mantcore
VampLady
Behemoth
Arachne
Alarune
Tunnel-A [BR]

As long as you thoroughly explore and scan everything you encounter up to this point, there will be no new monsters in Eblan Cave.

Tower of Babil (Eblan segment)

Balloon (if you didn’t go to Island Peak)
Conjurer (from a chest, if you didn’t go to W. Fabul Basin Trail)
Lamia (if you didn’t explore Castle Eblan)
Eblan K. [BR]
Eblan Q. [BR]
Rubicant [BR]
Omega [BR]

Airship exploration – Underworld, Magma Cavern/Ruins, Volcano

Medusa
Gorgon
Yellow D. (if you didn’t go to Mt. Heavensward)
Mammon
Malboro
BogWitch (both this and TinyToad are found in the brown patch in Magma Ruins)
TinyToad
Liquid Flame
EvilDream
Fossil D. (this and Bone D. are from the purple object in Volcano)
Bone D.
Red D. (this and White Dragon are from the red flame in Volcano)
White D.
Magma Golem [BR]
Fire D. [BR]

Passage to Feymarch, Feymarch, Sylph Cave, Sealed Cave

Fiend
Warrior (if you didn’t go to Unknown Cave)
Hooligan
Red Eye
Conjurer (found here more regularly, if you missed the two Conjurers from chest encounters)
Clapper (if you didn’t go to Mt. Heavensward)
Asura [BR]
Levithan [BR]
EvilDream (if you didn’t go to Volcano)
Mammon (this and the following three monsters are also found in Magma Cavern/Ruins)
Malboro
BogWitch
Tiny Toad
Tunneler (if you didn’t find it on the Underworld’s world map)
Nagaraja (if an Alert didn’t summon one in Tower of Babil – Underworld segment)
TrapDoor (these aren’t missable since they can be fought repeatedly)
DemonWall [BR]

Airship exploration – Baron, the Moon, Lunar Path, Crater Cave, Cave Moore, Crystal Spire, Cave of Bahamut

Odin [BR]
Eukaryot
Prokryot
Grenade
Red Worm
Pudding
Lunar Cell
Ging-Ryu
King-Ryu
Bone D. (both this and Fossil D., if you didn’t go to the Volcano)
Fossil D.
Artemis
Warlock
Blue D.
Red D. (if you didn’t go to Volcano)
RedGiant
Behemoth (if you didn’t go to Ice Cave)
Bahamut [BR]
Ultima W. [BR]
Crystal D [BR]
Crystal [BR]
Selene [BR]

Giant of Babil

I did some research about why the scans for the Four Fiends fight weren’t doing anything, and apparently it was too difficult for the devs to implement them. Thus, they are not applicable to the bestiary.

Searcher
Machine
Centaur (if you didn’t scan in Tower of Zot)
MecGiant
Mech D. (summoned by Searcher)
Gilgamesh [BR]
Last Arm (this can be found in Lunar Core as well)
Warmech [BR]
CPU [BR]
Attacker (this and Defender are seen again in Lunar Subterrane)
Defender

Lunar Subterrane, Lunar Core + misc. late game bosses

The only bosses that don’t appear in the boss rushes are the two forms of Zeromus – the stringy blue form before using the Crystal on him, and the gigantic alien form that is vanilla FF4’s final boss.

Pale Dim [BR] (found in the Murasame spot, as well as a chest encounter)
Spirit
Breath
Raiden [BR]
White D. (if you didn’t go to Volcano)
Plague [BR]
Gilgamesh [BR] (after this fight, he’s permanently available in the Lunar Whale)
FatalEye
Lunasaur [BR]
Tricker (he’ll be boosted if you use the Scan spell on him)
PinkPuff
Wyvern [BR]
Ogopogo [BR]
Evil Mask
AI Mk. I [BR]
Mover [BR]
Goddess [BR]
Mind
Zemus [BR]
Illusion [BR]
Ultima B [BR]
NeoBahmt [BR]
Zeromus (blue form)
Zeromus (final boss form)
Zeromus EG [BR]