Invasive Plesioth Location and How to Beat
This is a guide to repelling the Invasive Plesioth in Monster Hunter Stories 3 (MHS 3). Learn the puzzle mechanics for repelling the Invasive Plesioth and the necessary steps you need to take to beat the boss.
| Variants |
 Plesioth |
 Green Plesioth |
 Invasive Plesioth |
|---|---|---|
Invasive Plesioth Location
Head to the Cave North of Azuria
To find the Invasive Plesioth, you'll need to enter the cave connected to the ocean at night.
How to Repel Invasive Plesioth
|
1. Invasive Battle Clues 2. Recommended Level is 10-15 3. Conserve Stamina on the First Turns 4. On 3rd Turn Onward, Focus Fire Attacks on Plesioth's Head |
Invasive Battle Clues
| Clue | |
|---|---|
| 1. | Is this a scale? Scorched, by the looks of it. Despite how damp it is around here... You think it got toasted in battle with a fire-breather? |
| 2. | Enough water to split rock? A part that can store so much water might be its weak point. |
| 3. | Looks like a battlefield. This mosnter ain't a fan of fire, from what I can tell! |
Based on the invasive clues, the most important part of repelling Plesioth is bringing a lot of fire attacks. Bring weapons with fire attributes and 1-2 monsties with fire attacks. Additionally, bringing allies with fire monsties such as Eleanor and her Anjanath will prove beneficial for the fight.
Recommended Level is 10-15
While Invasive Plesioth can be challenging, you can repel it earlier into the game just by using a strong Fire Monstie and use of items such as Vital Essence.!
Conserve Stamina on the First Turns
The main way to repel Plesioth is by using fire attacks on its head. During the first few turns, specific body part targetting is unavailable so save your stamina and only use normal attacks to charge up your stamina for the next turns.
On 3rd Turn Onward, Focus Fire Attacks on Plesioth's Head
After using Water Jet and getting a notification from Rudy about the real fight begins, continuously use fire attacks on its head. Once its head part is broken using fire attacks, he will be repelled. We recommend using a Pink Rathian due to its high Fire damage!
How to Get Pink Rathian and Weaknesses
Rewards for Repelling Invasive Plesioth
Obtain Lagiacrus Egg
A Lagiacrus Egg will be your main reward for repelling the Invasive Plesioth. Enter its invasive den to obtain the egg and hatch it to get a Lagiacrus Monstie!
How to Get Lagiacrus and Weaknesses
Invasive Plesioth Boss Weaknesses and Resistances
Invasive Plesioth Damage Type Weaknesses
| Body Part |  Slash |
 Pierce |
 Blunt |
|---|---|---|---|
| Leg | ✕ | ✕ | ◯ |
| Tail | ◯ | ✕ | ✕ |
| Back | ✕ | ◯ | ✕ |
Note that some monsters change weaknesses and resistances when they transform.
Invasive Plesioth Ailment Resistances
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Invasive Plesioth Elemental Resistances
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Monster Hunter Stories 3 (MHS 3) Related Guides
Main Mission Bosses
| 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 |
|
Invasive Monster Bosses
| All Invasive Monster Bosses | |
|---|---|
| Invasive Yian Garuga |
 Invasive Seregios |
| Invasive Plesioth |
Invasive Arzuros |
 Invasive Nerscylla |
 Invasive Shogun Ceanataur |
 Invasive Diablos |
 Invasive Odogaron |
 Invasive Khezu |
- |
Feral Monster Bosses
| List of All Feral Monsters | |
|---|---|
 Feral Nerscylla |
 Feral Brachydios |
 Feral Tobi-Kadachi |
 Feral Glavenus |
 Feral Bishaten |
 Feral Espinas |
 Feral Paolumu |
- |
Elder Dragon Bosses
| List of All Elder Dragon Bosses | |
|---|---|
 Namielle |
  |
 Yama Tsukami (Green) |
 Velkhana |
| Aenshin |
- |
Exotic Monster Bosses
| List of All Exotic Monster Bosses | |
|---|---|
 Exotic Seregios |
 Exotic Velocidrome |
Optional Bosses
| List of All Optional Bosses | |
|---|---|
 Espinas
|
- |
Comment
Anonymous 9 daysWrong monster you get after the invaders retreat. Its not a Astalos, its a Lagiacrus
Author
Monster Hunter Stories 3: Twisted Reflection Walkthrough & Guides Wiki
Invasive Plesioth Location and How to Beat
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What lv is recommended to fight this thing?