Somnacanth Guide: Weakness, Armor, Drops, and Weapons | Monster Hunter Rise | MHR (MH Rise)

Monster Hunter Rise (MH Rise) - Somnacanth Guide

This is a hunting guide for Somnacanth, a Large Monster in Monster Hunter Rise (MH Rise). Read on to learn Somnacanth's weaknesses, forgeable weapons, forgeable armor, drops, and more!

All Somnacanth Related Articles
Somnacanth.pngSomnacanth Guide Weapons.pngSomnacanth Weapons Armor Icon.pngSomnacanth Armor

Somnacanth Hunter Notes

Monster Hunter Rise (MH Rise) - Somnacanth New Monster
Type Leviathan
Threat Level 5/10 Rampage Type
Major Weakness Other Weakness
Blight / Elemental Damage Abnormal Status
A formidable aquatic serpent that crests on moonlit nights--likely why it has often been mistaken for a mermaid. It expels an intoxicating sleep powder from its neck gills and tail, knocking out prey before it can resist. Some Somnacanth sightings tell of this species making use of unusual shells, so exercise caution if catch one swimming towards you with a shell in its claws.

Somnacanth Weakness and Resistance

MH Rise - Slash Damage MH Rise - Blunt Damage MH Rise - Bullet Damage MH Rise - Fire Damage
45 45 32 10
MH Rise - Water Damage MH Rise - Thunder Damage MH Rise - Ice Damage MH Rise - Dragon Damage
0 21 0 0

Bold are the recommended Weapon Type and Elemental Damage.

Somnacanth Weapon Damage Breakdown

Part Sever Symbol (MH Rise).png Blunt Symbol (MH Rise).png Ammo Symbol (MH Rise).png
Head 65 55 45
Head Fin 40 40 20
Neck 70 70 60
Foreleg 45 45 35
Abdomen 30 40 20
Back 25 25 15
Hind Leg 25 30 25
Tail 60 55 35
Overall 45 45 32

Somnacanth Elemental Weakness Breakdown

Part Fire Symbol (MH Rise).png Water Symbol (MH Rise).png Thunder Element (MH Rise).png Ice Element (MH Rise).png Dragon Element (MH Rise).png
Head 15 0 25 0 0
Head Fin 0 0 15 0 0
Neck 15 0 25 0 0
Foreleg 5 0 15 0 0
Abdomen 10 0 15 0 0
Back 10 0 15 0 0
Hind Leg 10 0 25 0 0
Tail 15 0 30 0 0
Overall 10 0 21 0 0

Higher numbers indicate higher potential damage to the monster.

Somnacanth Hunting Tips

MH Rise - Somnacanth

While in the water, it can move about as it pleases, but it doesn't fare so well on land. Draw it out to the shore for an easy hunt. If you're caught in a cloud of its sleep powder, it's lights out; use Wirebug to leap away from it and position for a counter attack.

Status Effect Vulnerabilities

Poison Stun Paralysis Sleep
Blast Exhaust Fireblight Waterblight
Thunderblight Iceblight

If an ailment has more stars it means that it has better effectiveness.

Item Vulnerabilities

Pitfall Trap Shock Trap Flash Bomb
Sonic Bomb Meat Effects Dung Bomb

◯ = Vulnerable; ✕ = Fully Resistant; ▲ = Situational

Kinsect Extracts

Monster Part Extract
Head Red Extract
Head Fin Red Extract
Neck Red Extract
Foreleg White Extract
Abdomen Red Extract
Back Red Extract
Hind Leg White Extract
Tail Orange Extract

Red = Attack Increase, White = Movement Boost, Orange = Anti-knockback When Attacking

Kinsect Extract Guide

Somnacanth Locations

Somnacanth Known Habitat

Map Starting Area Visited Areas Rest Area
Frost Islands.pngFrost Islands 8 5 / 7 / 8 / 10 / 11 / 12 10
Flooded Forest.pngFlooded Forest 6 1 / 2 / 3 / 4 / 5 / 6 / 7 / 14 14
Lava Caverns.pngLava Caverns 2 2 / 3 / 6 / 7 / 8 / 9 / 10 / 11 6
Infernal Springs.pngInfernal Springs - - -

Somnacanth Quest Appearances

Low Rank
High Rank
Quest Type Lvl Quest Name
Hub Quest ★3 Beckoning Slumber
(Key Quest)
Village Quest ★4 Infernal Lacrimosa
(Key Quest)
Village Quest ★5 BZZZZZ or ZZZZzzzz
Village Quest ★5 The Secret Ingredient
Quest Type Lvl Quest Name
Event Quest ★6 Troubled Waters
Hub Quest ★6 Invoke the Insect Glaive
Hub Quest ★6 A Somniferous Elegy
(Key Quest)
Challenge Quest ★7 Challenge Quest 06
Event Quest ★7 I Can't Do What Somnacan
Event Quest ★7 Princesses' Banquet

How to Beat Somnacanth

Check IconKeep out of water
Check IconBring Energy Drinks and Nulberries
Check IconUse Sonic Bombs to interrupt
Check IconKeep to its back

Keep Out of Water

MH Rise - Keep Somnacanth on Land

Somnacanth's rock flash and explosion attacks occur when its on its belly-up in water. These attacks can interrupt hunters and allow Somnacanth to unleash powerful combos.

If possible, try luring Somnacanth to land using a Stinkmink or Wyvern Riding to disable these attacks completely.

Bring Energy Drinks and Nulberries

MH Rise - Use Energy Drink when Hunting Somnacanth

Somnacanth inflicts Sleep and other statuses with its breath. Negate this potentially deadly effect by bringing Energy Drinks and a bunch of Nulberries!

Investing in Sleep Resistance is also worth considering when hunting Somnacanth.

Use Sonic Bombs to Interrupt

MH Rise - Sonic Bomb Interrupts Somnacant

When Somnacanth coils up to perform its AoE sleep particle attack, it can be interrupted by Sonic Bombs or sonic attacks from the Hunting Horn. This creates a great window of opportunity to unleash your strongest silkbind attacks or combos.

Keep to Its Back

MH Rise - Focus on Somnacanth

Somnacanth's back is exposed when ever it stands on its tail for its slam or breath attacks. Use a wiredash or dodge roll to position yourself at its back to avoid its attack or deal some damage.

Somnacanth General Attack Patterns

Somnacanth uses the following attacks in Low and High Rank quests.

Name Description
Abnormal Breath Diffrent types of breath Attacks that all deal the sleep condition.
Rush Attacks Somnacath uses its body to do a variety of rushing physical attacks.
Swipe Attack With its claws, the Somnacanth swipes at its target.
Shell Attack The Somnacanth makes use of special shells that each deals its own effects.
Flying Fins A barrage of pointed scales are sent at the Somnacanth's target, with a wide spread.

Abnormal Breath

Somnacanth's breath attacks typically inflict Sleep but can inflict a variety of other random abnormal statuses. These breath attacks have four patterns:

Abnormal Breath Variations
MH Rise -  Somnacanth Sleep Breath Attack
Frontal Breath: Somnacanth unleashes a frontal breath attack in a straight line in front of it.
Sweeping Breath: Somnacanth unleashes a sweeping breath attack in a large cone in front of it.
Mist Wave: Somnacanth unleashes a massive wave of mist from its body, inflicting Sleep or other statues to anyone caught in it. This is telegraphed by the player's camera suddenly zooming out.
Sleep Clouds: Somnacanth swims around belly-up, unleashing Sleep Clouds along her path.

Rush Attack

Somnacanth can easily rush anyone down from either its standing or four-legged positions. This attack has two patterns.

Rush Attack Variations
MH Rise - Somnacanth Rush Attack
Rush Tackle: A quick frontal rush from the four-legged position.
Jumping Rash Tackle: Somnacanth drums its chest from its standing position, followed by a jumping rush attack towards its target.

Swipe Attack

Swipe Attack Information
MH Rise - Somnacanth Swipe Attacks
Swipe Attack: Somnacanth uses its large head fins or arms to swipe a big area in front of it, inflicting heavy damage to anyone caught in it.

Shell Attacks

Somnacanth occasionally swims around belly-up while picking up a certain shell along its path. It will attempt to break the shell open by beating it on its chest, inflicting a certain effect depending on the shell it used:

Shell Attack Variations
MH Rise - Somnacanth Shell Explosion
Yellow Shell Attack: If the shell is yellow, Somnacanth will flash anyone in front in a narrow cone once it breaks.
Red Shell Attack: If the shell is red, the rock will explode in a small radius around Somnacanth once it breaks.

Flying Fins

Flying Fins Attack Information
MH Rise - Somnacanth Flying Fins
Flying Fins: Somnacanth has a massive tail and is capable of using it to throw several fins at the hunter for a long range attack.

Somnacanth Materials and Drops

High Rank Somnacanth Materials

Broken Parts
Material Drop Rate
Somnacanth Scale+ 43% (Body)
Somnacanth Shell+ 32% (Body)
Somnacanth Sedative 14% (Body)
Somnacanth Fin+ 10% (Body)
Wyvern Gem 1% (Body)
Material Drop Rate
Somnacanth Fin+ 80% (Head Fin)
Somnacanth Claw+ 80% (Arm x2)
Somnacanth Scale+ 20% (Arm), 97% (Tail)
Somnacanth Sedative 17% (Head Fin)
Wyvern Gem 3% (Head Fin), 3% (Tail)

Low Rank Somnacanth Materials

Broken Parts
Material Drop Rate
Somnacanth Dust 30%, 12% (x2)
Somnacanth Claw 27%
Somnacanth Scale 17%
Monster Bone L 14%
Material Drop Rate
Somnacanth Fin 80% (Head Fin)
Somnacanth Claw 80% (Arm x2)
Somnacanth Scale 20% (Arm), 100% (Tail)
Somnacanth Dust 20% (Head Fin)

Somnacanth Dropped Materials

High Rank
Low Rank
Material Drop Rate
Somnacanth Scale+ 50%
Somnacanth Sedative 39%, 35% (x2)
Large Wyvern Tear 30%
Wyvern Tear 20%
Somnacanth Claw+ 10%, 15%
Wyvern Gem 1%
Material Drop Rate
Somnacanth Scale 50%
Wyvern Tear 50%
Somnacanth Dust 40%, 35% (x2)
Somnacanth Claw 10%, 15%

Monster Hunter Rise Related Links

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Somnacanth.pngSomnacanth Guide Weapons.pngSomnacanth Weapons Armor Icon.pngSomnacanth Armor

Monster Guides by Rank

Village Rank ★2

2-Star Large Monsters
Great Izuchi Icon.pngGreat Izuchi Arzuros Icon.pngArzuros Great Baggi Icon.pngGreat Baggi Lagombi Icon.pngLagombi

Village Rank ★3

3-Star Large Monsters
Aknosom Icon.pngAknosom Tetranadon Icon.pngTetranadon Kulu-Ya-Ku Icon.pngKulu-Ya-Ku Barroth Icon.pngBarroth
Great Wroggi Icon.pngGreat Wroggi Royal Ludroth Icon.pngRoyal Ludroth Khezu Icon.pngKhezu

Village Rank ★4

4-Star Large Monsters
Bishaten Icon.pngBishaten Somnacanth Icon.pngSomnacanth Barioth Icon.pngBarioth Rathian Icon.pngRathian
Tobi-Kadachi Icon.pngTobi-Kadachi Volvidon Icon.pngVolvidon Basarios Icon.pngBasarios Pukei-Pukei Icon.pngPukei-Pukei

Village Rank ★5

5-Star Large Monsters
Magnamalo Icon.pngMagnamalo Nargacuga Icon.pngNargacuga Zinogre Icon.pngZinogre Anjanath Icon.pngAnjanath
Mizutsune Icon.pngMizutsune Rathalos Icon.pngRathalos

Village Rank ★6

6-Star Large Monsters
Almudron Icon.pngAlmudron Goss Harag Icon.pngGoss Harag Tigrex Icon.pngTigrex Diablos Icon.pngDiablos

High Rank Hub Quests

High Rank Large Monsters
Jyuratodus Icon.pngJyuratodus Rajang Icon.pngRajang Rakna-Kadaki Icon.pngRakna-Kadaki Bazelgeuse Icon.pngBazelgeuse

Elder Dragons

Elder Dragons
Narwa the Allmother Icon.pngNarwa the Allmother
Wind Serpent Ibushi Icon.pngWind Serpent Ibushi Thunder Serpent Narwa Icon.pngThunder Serpent Narwa Crimson Glow Valstrax Icon.pngCrimson Glow Valstrax
Chameleos Icon.pngChameleos Kushala Daora Icon.pngKushala Daora Teostra Icon.pngTeostra

Apex Monsters

Apex Monsters
Apex Arzuros Icon.pngApex Arzuros Apex Rathian Icon.pngApex Rathian Apex Mizutsune Icon.pngApex Mizutsune
Apex Rathalos Icon.pngApex Rathalos Apex Diablos Icon.pngApex Diablos Apex Zinogre Icon.pngApex Zinogre

Small Monsters

Small Monsters
Altaroth Icon.pngAltaroth Anteka Icon.pngAnteka Baggi Icon.pngBaggi Bnahabra Icon.pngBnahabra
Bombadgy Icon.pngBombadgy Bullfango Icon.pngBullfango Delex Icon.pngDelex Felyne Icon.pngFelyne
Gajau Icon.pngGajau Gargwa Icon.pngGargwa Izuchi Icon.pngIzuchi Jaggi Icon.pngJaggi
Jaggia Icon.pngJaggia Jagras Icon.pngJagras Kelbi Icon.pngKelbi Kestodon Icon.pngKestodon
Ludroth Icon.pngLudroth Melynx Icon.pngMelynx Popo Icon.pngPopo Rachnoid Icon.pngRachnoid
Remobra Icon.pngRemobra Rhenoplos Icon.pngRhenoplos Slagtoth Icon.pngSlagtoth Uroktor Icon.pngUroktor
Wroggi Icon.pngWroggi Zamite Icon.pngZamite

Small Monsters

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