Monster Hunter Wiki

Blue Yian Kut-Ku

10,061pages on
this wiki
Blue Yian Kut-Ku Topics:

Blue Yian Kut-Ku
Image (13)
English: Blue Yian Kut-Ku
Japanese: イャンクック亜種
(Iyankukku Ashu)
Chinese: 青怪鸟
Korean: 얀 쿡 아종
Nicknames: Blue Kut-Ku
English: Blue Menace of the Jungle
Japanese: 青怪鳥
Chinese: 青怪鸟
General Information
Species: Bird Wyvern
Element/s: Status Effect-Fireblight MH4 Icon Fire
Ailment/s: None
Weakest to: Status Effect-Waterblight MH4 Icon Water on Wings
Weakness Sign: Ears fold back and will limp
Signature Move: Multiple Firespew
Habitats: Forest and Hills, Jungle, Old Jungle, Swamp, Old Swamp, Tide Island, Unknown Great Forest, Ancestral Steppe
Monster Size: Gold Crown Small 459.9

Gold Crown Large 1195.7

Monsters in Relation: Yian Kut-Ku, Yian Garuga
Generation: First

Blue Yian Kut-Ku is a blue subspecies of the Yian Kut-Ku. They share an evolutionary lineage with the Yian Garuga. The Blue Yian Kut-Ku behaves in practically the same way as the normal Yian Kut-Ku.

MH4-Blue Yian Kut-Ku Render 001


Although they are usually smaller than their pink counterparts, they are more aggressive and stronger.


Blue Yian Kut-Ku are very cautious and wary creatures that are easily startled by sudden loud noises.


Blue Yian Kut-Ku inhabit temperate forests, swamps, grasslands, and jungles.

Other Non-Subspecies Forms

Hard Core (HC) Blue Yian Kut-Ku

FrontierGen-HC Blue Yian Kut-Ku Render 001

HC Blue Kut-Ku is very odd looking as its chin has grown a considerable size and used as an unusual weapon, It has been seen to lay pitfall traps for hunters making pits with its large chin. It has also gained better flying abilities as it will glide at extreme speeds and jump and hover in place for a moment to kick predators.

Game Appearances

Chronological Appearances
First US / EU Appearance: First JP Appearance: Latest Appearance:
Logo-MHF1 (2006) Logo-MHG (2005) Logo-MH4U (2015)

In-Game Description

Monster Hunter Freedom 2 / Monster Hunter Freedom Unite
MHFU-Yian Kut-Ku Icon A bird-like wyvern with a huge beak and large ears that splay open when it is angered. With its sensitive hearing it dislikes loud noises. It is smaller but faster than other wyverns.
Monster Hunter 4
MH4-Blue Yian Kut-Ku Icon 青い甲殻に身を包んだイャンクックの亜種。 大きな音に弱い。 通常種と比べ身体能力が高く、一度怒るとその能力を発揮するため、イャンクックといえども油断はできない。
Threat Level (危険度): ★★★★
Monster Hunter Frontier G
Blue Yian Kut Ku Icon (?)
Monster Hunter Online
MHOL-Blue Yian Kut-Ku Icon (?)

Analysis and Guides

For details on older games this monster has appeared in, see Blue Yian Kut-Ku Guides.

Blue Yian Kut-Ku 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
Head 50 80 100
Neck 50 60 50
Back 40 50 40
Belly 80 70 80
Wings 75 70 70
Legs 25 30 30
Tail 50 60 30
Element Hitzone Damage Data
Hitzone Fire Fire Water Water Thunder Thunder Ice Ice Dragon Dragon
Head 10 30 30 40 0
Neck 10 80 50 50 20
Back 10 20 15 15 0
Belly 10 20 15 15 0
Wings 10 10 25 15 0
Legs 5 5 5 5 0
Tail 10 20 15 15 0
This Monster is weakest to: Status Effect-Waterblight MH4 Icon Water on Neck:
  • On Belly (Cutting Damage)
  • On Head (Impact and Shot Damage)

Status Effects Data
Poison Paralysis Sleep Fatigue Stun
Initial Tolerance
Max. Tolerance
Tolerance Recovery
Duration N/A
Damage N/A N/A N/A

Item Effectiveness Data
Item Name Able
First Time
Second Time
Third Time
Fourth Time
Pitfall Trap Yes
(?) (?) (?) (?)
Shock Trap Yes
(?) (?) (?) (?)
Dung Bomb (?)
(?) (?) (?) (?)
Flash Bomb Yes
(?) (?) (?) (?)
  • Flash Bombs will only work if Blue Yian Kut-Ku is facing the Flash Bomb when it goes off.
Sonic Bomb Yes
(?) (?) (?) (?)
  • Sonic Bomb works only if Blue Yian Kut-Ku is not enraged.
Meat No

Analysis Data Source/s:


  • Blue Kut-Ku can fly to Area 10 in Forest and Hills to drink water. This is a rare sight.

  • It will feed on Konchu to regain stamina.

  • Blue Yian Kut-Ku can be a pet, its favorite foods are insects and worms.

  • Blue Yian Kut-Ku's ears can be broken twice.
  • Blue Yian Kut-Ku's ears will fold back when affected by a Sonic Bomb and are not used as a weakness sign.

Around Wikia's network

Random Wiki