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Iodrome is a Bird Wyvern introduced in Monster Hunter.

MH4-Iodrome and Ioprey Render 001


It is significantly larger than normal Ioprey and possesses a larger crest. Unlike other pack leaders, Iodrome has a more amphibian look, with salamander-like skin that seems to glisten with moisture, and a frog-like throat sac. It also lacks the sharp claws of its relatives, relying more on poison to bring down prey like Aptonoth and enemies.


Although not as strong as Flying Wyverns, it can quickly cripple hunters with the power of its pack and poison. Iodrome is a threat due to its speed, agility, considerable strength and poison. When threatened, Iodrome spits Poison from the poison sac in its throat.


Iodrome is the leader of a pack of Ioprey, and always travels with its pack for protection.


It is often seen in the various different Swamp and Volcano zones, although as of Monster Hunter 4 Iodrome can also be found in the Everwood.

Game Appearances

Chronological Appearances
First US / EU Appearance: First JP Appearance: Latest Appearance:
Logo-MH1 (2004) Logo-MH1 (2004) Logo-MHX JP (2015)

In-Game Description

Monster Hunter Freedom 2 / Monster Hunter Freedom Unite
MHFU-Iodrome Icon The alpha monster that leads an Ioprey pack. They are larger and have a more prominent crest. Found in subtropical zones, they spit a poison that can sap the life force of prey.
Monster Hunter 4
MH4-Iodrome Icon 集団行動をするイーオスのリーダー。 少し大柄で大きなトサカが特徴。 亜熱帯を中心に、広範囲に生息している。 体内に強力な毒袋を持ち、毒液を吐きつけ、獲物を弱らせてしとめる。
Threat Level (危険度): ★★★
Monster Hunter 4 Ultimate
MH4-Iodrome Icon Alpha monsters that lead Ioprey. Larger than their brothers and with a more prominent crest, Iodrome spit a poison that slowly saps the life from their prey. They are found primarily in subtropical zones.
Threat Level (危険度): ★★★
Monster Hunter Frontier G
FrontierGen-Iodrome Icon (?)
Monster Hunter Online
MHO-Iodrome Icon 红速龙与其它速龙不同,它的牙齿和前爪并不锋利,但是它能向敌人喷吐毒液,红速龙王便是其中的佼佼者。

Analysis and Guides

For details on older games this monster has appeared in, see Iodrome Guides.

Iodrome Analysis for Monster Hunter 4
Cutting Damage
(Click Image to Zoom)
(Coming Soon)
Impact Damage
(Click Image to Zoom)
(Coming Soon)
Shot Damage
(Click Image to Zoom)
(Coming Soon)
Brighter Red means more damage, while Darker Red means lesser damage.

Raw Hitzone Damage Data
Hitzone Cutting Damage Impact Damage Shot Damage
Body 80 80 90
Element Hitzone Damage Data
Hitzone Fire Fire Water Water Thunder Thunder Ice Ice Dragon Dragon
Body 20 30 30 10 10
This Monster is weakest to: Status Effect-Waterblight MH4 Icon Water or Status Effect-Thunderblight MH4 Icon Thunder

Status Effects Data
Poison Paralysis Sleep Stun Fatigue Blast Mount
Initial Tolerance N/A N/A
Max Tolerance N/A N/A
Tolerance Increase N/A N/A N/A N/A N/A N/A N/A
Duration N/A N/A N/A
Damage N/A N/A N/A N/A N/A N/A
Item Effectiveness Data
Item Name Able
Normal Enraged Fatigued
Pitfall Trap (?) N/A N/A (?)
Shock Trap (?) N/A N/A (?)
Flash Bomb (?) N/A N/A (?)
Sonic Bomb (?) N/A N/A (?)
Meat (?) N/A N/A (?)

Analysis Data Source/s:

Music Themes

Battle 1 ~Drome~ (no intro) Monster Hunter 4 OST03:04

Battle 1 ~Drome~ (no intro) Monster Hunter 4 OST

MH4: Seltas, Great Jaggi, Velocidrome, Gendrome, Iodrome, Lagombi Battle Music

MH4U Breakable Parts

Crest (x1)
MH4U-Iodrome Crest Break 001Indent08MH4U-Iodrome Crest Break 002


  • It has more health than the other Dromes.

  • Iodrome has a pin attack.
  • Iodrome's crest is breakable.
  • Iodrome can now enter rage, be carved 3 times and limp when weakened.
  • When enraged, Iodrome's Poison spit attack will leave a pool of poison on the ground for a short time.
  • It can now call on Ioprey during battle, whereas in previous games it could not.
  • It can become infected by the Frenzy Virus.
  • In a CG video, Iodrome is seen commanding a pack of Ioprey to attack a Zinogre. They almost succeed in killing it, but Zinogre succumbs to the Frenzy Virus and ravages the Iodrome, who is promptly killed and devoured by its own pack, now also infected by the virus.
    • This is the only time in Monster Hunter 4 and 4U where small monsters are seen infected with the Frenzy Virus.

  • Iodrome can be kept as a pet.
  • HR100 Iodrome's have been seen travel in pairs, following each other closely through different areas.
  • G-Rank Iodrome gains a few new attacks; an improved bite that releases poison and a improved poison spit where after the projectile touches the ground it forms a toxic puddle that eventually fades away. Other new attacks include a high speed charge and a jump in air whilst spitting poison move, always followed by landing and delivering an uppercut that launches hunters.
  • Iodrome can be attacked by Baruragaru mid-quest; if it succumbs to the attack, Baruragaru will subsequently be able to use poison-based attacks.

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