
This is a guide to the Feral Brachydios Boss Fight in Monster Hunter Stories 3 (MHS3). Learn how to beat the Feral Brachydios, its weaknesses, behaviour and attack pattern, and the best strategy to beat the Feral Brachydios.
List of Contents
| - | ↑ | ↓ | |||
| ↓↓ | - | ↑↑ |
| Body Part | |||
|---|---|---|---|
| Main Body | ◯ | ◯ | ◯ |
| Head (Slime) | ✕ | ✕ | ◯ |
| Forelegs (Slime) | ✕ | ◯ | ✕ |
| Tail | ◯ | ✕ | ✕ |
| ↓ | ↓ | ↑ | ↑ | ||||||||
| ↑↑ | ↑ | ↓ | |||||||||
| Jump to a Section |
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2. Normal State |
| Normal State | |
|---|---|
| Slime Active State | |
| Slime Depleted State |
The Feral Brachydios has 3 states which are its Normal, Slime Active and Slime Depleted state.
| Turn Count | Move |
|---|---|
| Turn 1 | Power Attack |
| Turn 2 | Incendiary Bomb |
This will be the starting state of the Feral Brachydios. It will launch a Power Attack and the skill Incendiary Bomb. This skill on the second turn will be a very strong AoE attack but players can try to stop it by using a Shock Trap.
| Turn Count | Move |
|---|---|
| Turn 1 From the Normal State |
Speed Attack |
| Turn 2 | Bomb Crash |
| Turn 3 | Feral Dragonfist or Weak Feral Dragonfist (Speed Type) |
| Turn 4 | Bomb Crash (Strong AoE) |
| Turn 5 From Normal State |
Feral Dragon Feller or Weak Feral Dragon Feller |
| Turn 6 When Weakened |
Slime Stomp (Speed Type) |
During this state, the Feral Brachydios will launch Speed type attacks and strong AoE attacks like Feral Dragon Feller. It is recommended to skip Bomb Crash turns if the Blightstone is destroyed.
During the latter part of the battle it will launch weaker versions of its attacks. However, these will still be quite strong so do not let your guard down when sustaining your team.
This state will only activate if players break the head of the Feral Brachydios. It will be knocked down and it will only launch a Power Attack in 2 turns. This makes a great opening for attacking the Monster.
Purple Gypceros
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Dreadqueen Rathian
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The Purple Gypceros is extremely helpful during the fight as it can learn Flash which can apply Darkness. Similarly, Monsties with the move Tail Stun can help the Feral Brachydios turn skip.
The Dreadqueen Rathian is another good option to have during the fight as it can apply poison and helps counter the Feral Brachydios' head to head Power attacks. Keep in mind however that you still need a Technical Monster to counter its head to head Speed attacks when it changes forms.
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The Feral Brachydios will be at Level 44 when you fight it so level up yourself and your party to be at least Level 40. It is doable to do it at around Level 35 but it will be difficult.

Skills such as Solar Cry or passives like Soul Kinship help fill your Kinship gauge faster. These are extremely helpful in battle as it allows for players to reliably use the Kinship Gauge to skip the Feral Brachydios' turn.
The fight against the Feral Brachydios itself is not a damage check but a battle of attrition, with players being able to beat it as long as they avoid the powerful AoE attacks. Make sure to save and time the use of the Kinship Gauge to only be during its strong attacks.

The Lagiacrus Armor is the perfect armor to equip during the fight as it helps boosts Thunder attacks, which is a weakness of Feral Brachydios, helps fill the Kinship gauge faster and boosts Kinship damage.

When choosing a weapon, consider equipping a bow with the move Accuracy Down Coating. This is immensely helpful as it increases the chance of fully negating Feral Brachydios' strong attacks

Ogden makes an excellent choice for this battle as he is able to both heal the party and employ the use of Traps and Poison (through his Monstie companion Chirpy).
Poison can help keep the damage going even when the player is healing themselves and traps help prevent the Feral Brachydios from acting during their turn.
All Characters and Companions
In addition to selecting Ogden as your companion for the fight, we recommend finishing his side story quest 2 as it unlocks a strong skill of his partner Monster Chirpy, Fruit Frenzy.
Because the Feral Brachydios will unleash strong attacks, players should take caution and stock up on Vital Essence to help keep the hearts from falling to zero.
On top of this, the Magia Charm is a good weapon to keep in mind for healing and buffs. Even with Ogden, this allows players to deliberately heal during needed turns.
Make sure to stock up on Shock Traps and Flash Bombs as they can be used to delay the Feral Brachydios' attacks. Particularly, the Shock Trap skips the AoE attack on the second turn, helping players avoid receiving large damage early on.
Avoid attacking the Forelegs of the Feral Brachydios during the Slime Active state as this will cause a strong backlash attack. Players can attack this part without causing a backlash during the other two states, Normal and Slime Depleted.

After unlocking the function to fight Feral Monsters in Azuria during the The Princess of Vermeil Main Quest, the Feral Brachydios will appear in the clearing to the North East.
Azuria Map and Exploration Guide

| All Main Mission Bosses | |
|---|---|
| Azuria (Chapter 1) | |
![]() Honed Glavenus |
Invasive Yian Garuga |
![]() Dual Feral Velocidromes |
Feral Gypceros |
![]() Magnamalo |
- | Cataracts (Chapter 2) |
Feral Great Izuchi
|
Invasive Arzuros |
![]() Feral Somnacanth |
![]() Feral Aknosom |
![]() Yama Tsukami |
- |
| Galyad (Chapter 3) | |
![]() Feral Ajarakan |
![]() Feral Rakna-Kadaki |
Rey Dau |
- |
| Seranthis (Chapter 4) | |
![]() Feral Blangonga |
Goss Harag |
![]() Malzeno |
![]() Arkveld |
![]() Bound Azure Rathalos |
![]() Bound Lunagaron |
Aenshin |
|
| All Invasive Monster Bosses | |
|---|---|
Invasive Yian Garuga |
Invasive Seregios |
Invasive Plesioth |
Invasive Arzuros |
Invasive Nerscylla |
Invasive Shogun Ceanataur |
Invasive Diablos |
Invasive Odogaron |
Invasive Khezu |
- |
| List of All Feral Monsters | |
|---|---|
Feral Nerscylla |
Feral Brachydios |
Feral Tobi-Kadachi |
Feral Glavenus |
Feral Bishaten |
Feral Espinas |
Feral Paolumu |
- |
| List of All Elder Dragon Bosses | |
|---|---|
![]() Namielle |
![]() |
Yama Tsukami (Green) |
Velkhana |
Aenshin |
- |
| List of All Exotic Monster Bosses | |
|---|---|
![]() Exotic Seregios |
Exotic Velocidrome |
| List of All Optional Bosses | |
|---|---|
Espinas
|
- |
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