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Brachydios Topics:

MHRoC-Brachydios Art 001
English: Brachydios
Japanese: ブラキディオス
Nicknames: Brachy, Bracchi, Bura, Dios
English: Crushing Wyvern
Japanese: 砕竜
General Information
Species: Brute Wyvern
Element/s: None
Ailment/s: Status Effect-Slimeblight MH3U Icon Slimeblight (MH3U)
Status Effect-Blastblight MH4 Icon Blastblight (4th Gen)
Weakest to: Status Effect-Waterblight MH4 Icon Water
Weakness Sign: Limping
Signature Move: Punch Attacks
Habitats: Deserted Island
Volcanic Hollow
Frozen Seaway
Monster Size: Gold Crown Large 1902.25 cm
Gold Crown Small 1339.18 cm
Monsters in Relation: Raging Brachydios
Generation: Third

Brachydios is a Brute Wyvern first introduced in Monster Hunter 3 Ultimate. It is known to inhabit areas of extreme heat and cold and can be encountered at Low, High, and G Ranks.

MH4-Brachydios Render 001


Brachydios are easily identifiable by their glowing, green slime-covered horns and "fists," as well as their shiny, armored hide covered in many plates and ridges that are made of obsidian. Unlike other Brute Wyverns, Brachydios sports a pair of long, highly developed forelimbs that it uses as its primary means of defense. Brachydios' forelimbs and horn seem to secrete a mysterious slime. According to in-game information, Brachydios "primes" this mucus to explode with its saliva, hence why it licks its arms, making it appear brighter green. Despite initial appearances, Brachydios does possess claws on its forearms that are tucked away underneath, and serve no apparent purpose in battle.


By slamming the ground or prey with its fists or horn, Brachydios can deposit a puddle of its slime mold, which, once detached from the monster's body, quickly undergoes a powerful chemical reaction and violently explodes. The substance itself is also sticky; if a hunter is struck directly by one of Brachydios' fist or horn attacks, it will adhere to the hunter's body, and eventually explode. Hunters can remove the substance by rolling or using a Deodorant. Notably, Brachydios is also capable of leaping far distances by using its powerful hind legs and is much more agile than other Brute Wyverns.

When enraged, Brachydios' fists, horn, and various ridges along is body glow a bright yellow and orange. In this state, Brachydios will no longer leave slime puddles, but will instead cause explosions directly on impact with almost all of its horn and fist attacks.


Brachydios' name comes from the latin name for arm, brachium(ブラキウム). This was used to make a reference to Brachydios' shell, which is made of obsidian(オブシディアン).

Other Non-Subspecies Forms

Raging Brachydios

MH4U-Raging Brachydios Render 001

Main Article: Raging Brachydios

The Raging Brachydios is known to inhabit the Ingle Isle. It is an unusual Brachydios individual with abnormal activation of its Slime Mold and the usual Slime Mold on certain parts of its body has become a lot more active than before. The slime that covers it is capable of exploding; this can only occur if the hunter stays in close proximity and if the slime on the Raging Brachydios is glowing bright red. It is also worth mentioning that the slime puddles explode at a noticeably faster rate.

Game Appearances

Chronological Appearances
First US / EU Appearance: First JP Appearance: Latest Appearance:
Logo-MH3U (2013) Logo-MH3G (2011) Logo-MHX JP (2015)

In-Game Description

Monster Hunter 3 Ultimate
MH3U-Brachydios Icon Brute wyverns coated with an explosive green substance. The material is thought to be a unique myxomycete--or slime mold--that is primed to explode by the Brachydios's own saliva. Note that these crafty creatures can also deliver powerful foreleg strikes.
Monster Hunter 4
MH4-Brachydios Icon 緑色の爆発性物質を身にまとう獣竜種。厳密には、ある特別な粘菌による作用と推測されている。唾液に含まれる成分でその粘菌を活性化させ、爆破攻撃を行う。それに加え、機敏な動きと発達した前足での打撃攻撃が得意。別名は”砕竜”。
Threat Level (危険度): ★★★★★
Monster Hunter 4 Ultimate
MH4-Brachydios Icon Brute wyverns coated with an explosive green substance, a material that is thought to be a unique slime mold that is primed to explode by an element in the monster's saliva. They are also capable of powerful foreleg strikes.
Threat Level (危険度): ★★★★★

Analysis and Guides

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

Brachydios 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
Horn 19 24 15
Head 50 50 45
Body 44 40 20
Arms 30 35 30
Legs 30 35 35
Tail 35 25 45
Tail Tip 20 10 10
Element Hitzone Damage Data
Hitzone Fire Fire Water Water Thunder Thunder Ice Ice Dragon Dragon
Horn 0 25 5 20 5
Head 0 20 10 15 5
Body 0 15 0 10 5
Arms 0 10 5 5 0
Legs 0 10 5 5 0
Tail 0 15 5 10 0
Tail Tip 0 10 0 5 0
This Monster is weakest to: Status Effect-Waterblight MH4 Icon Water on Horn:
  • On Head (Cutting, Impact and Shot Damage)
  • On Tail (Shot Damage)

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 Yes N/A N/A +3 Seconds
Shock Trap Yes N/A N/A +7 Seconds
Flash Bomb Yes N/A N/A +10 Seconds
Sonic Bomb No N/A
Meat No N/A

Analysis Data Source/s:

Music Themes

MH3G Bracchidios Theme04:31

MH3G Bracchidios Theme

MH3U: Brachydios Music Theme


  • When the Hunter is struck by Brachydios' punch or when a slime puddle is stepped on, Slimeblight (indicated by an icon which is a bomb with a lit fuse) is inflicted. This status can be cured by rolling on the ground three times, just as with Fireblight (however, unlike fireblight, Slimeblight may not be cured by rolling or falling just once in the water). If the blight is not cured in time, the slime will then turn from green to yellow, then red before exploding and causing damage. It may also be ignited prematurely if the Hunter takes another direct slime-inflicting hit from Brachydios, or being hit by another enemy attack of a fire element. (Although it is unsure if it is ignited by player bombs, do take caution if plans to use bombs are made.)
    • Note that the Slimeblight may be cured if the Brachydios ignites the already applied slime on the player again with another slime attack, however only if it is attacking without any slime on the forearm it's striking with.
  • Brachydios on its own is powerful enough to kill an Agnaktor as seen in its ecology video. The primed explosions were immaturely activated when the Agnaktor gathered heat to fire through its mouth, however backfiring when instead allowed the slime to tear through its neck.
  • Brachydios will often eventually fail to leave behind puddles of slime following its slime-based attacks. This can be reflected on its body by the visual lack of slime on its arms. When this happens, the layers of slime can be reapplied by it simply licking its forearms.
  • Both arms and Brachydios' horn can be broken, and its tail can be severed. However, this does not affect its ability to leave sediments of slime on the ground.
    • Breaking the arms, however, causes the slime to dissipate from them quicker than usual each time it is reapplied, therefore forcing its pounders to be licked more often.
    • A water-element weapon (which works best, any weapon may possibly have this effect) will dissolve and wash off the slime on its arm(s). When the coatings have been dissolved, there is a chance of a shiny drop appearing.
  • When it is exhausted, it is less likely to follow an attack after licking its pounders.
    • It may also only lick one arm until the slime on the other or said arm has been dispersed.
  • There is also a chance of a shiny drop appearing after a puddle of slime explodes.
  • When entering its enraged mode will hue the slime on its body to a golden green. It will also appear to light up the slime on places which normally does not seem to have any, most noticeably two additional streaks along its upper back.
  • When enraged, its slime coats will go through the chemical phase extremely quickly, granting an explosive effect that causes its leaping and pounding attacks to cover a huge area. They can simply be avoided when rolling or running to safe distance from the targeted area.
    • Occasionally its attacks may not apply Slimeblight even if the hunter is hit directly by the pounders.
    • A Brachydios in rage mode may only not cause an explosion with its arms on said attacks when there is no more slime on either or both pounders.
  • An enraged Brachydios will gain two new attacks apart from its leaping and punching attacks being explosive. Both of these will be done on a less often basis as the beast wears down.
    • The first attack is when the Brachydios thrusts its horn forward into the ground, causing an extremely wide area to be rapidly bombarded with explosions in a line of direction in which the Brachydios has thrust its horn with. Be warned as running directly (instead of going sideways) away from the attack may cause the hunter to get hit.
      • If its horn is broken, there is a distinctive delay when its thrusting its horn, giving the hunter a little more time to evade. The explosions will also happen over a smaller area.
    • The second attack the Brachydios gains is when it leans back slightly, then burrows the tip of its horn vertically into the ground. It is immediately followed by the surrounding areas briefly lit with flashed indicating where there will be an explosion. If the hunter is hit by its horn once, there is a chance that an explosion may deal another round of damage if the areas flashed are not evaded quickly enough.
      • When its horn is broken, the Brachydios will only cause explosions diagonally in the direction it is facing.
  • Brachydios may be hurt with an insignificant amount of damage by its own puddles, though other monsters in the area of the slime will be dealt the default damage caused by the explosion. This can be beneficial to the hunter if the monster is weak and causes a great disruption to positioning like a Rhenoplos or a Bullfango.
  • According to one of the Uniqlo Monster Hunter 10th Anniversary T-Shirts, the size of the foot of a Brachydios is 178 centimeters.
  • Brachydios' design motif was a missile.

  • Brachydios now creates a large puddle of slime with its horn attack.
  • It can be infected by the Frenzy Virus.
  • When infected, some of Brachydios's slime puddles may explode within a shorter time frame.
  • Brachydios will use its arms to climb up walls. When doing this, it will leave slime puddles on the walls, but when enraged, explosions will happen instead of it depositing slime altogether.
  • Brachydios's roar now requires low grade earplugs instead of high grade earplugs.
  • Brachydios now digs when leaving an area instead of walking to another area.
  • At G-Rank, Brachydios can now perform a forward sprint to quickly close the gap between itself and a hunter. This animation is almost identical to that of Abiorugu in Monster Hunter Frontier.

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