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The Plesioth is a large wyvern that can be found near large bodies of water. Despite its huge wings, Plesioth doesn’t appear to fly, but is instead an adept swimmer and a dangerous foe underwater. On land, Plesioth shouldn’t be underestimated either due to its large size and powerful aqua jet.


  • Deserted Island: 10 (Spawn), 11 (Rest)
  • Flooded Forest: 1, 3, 4, 5 (Spawn and Rest), 8


**Weak Spots** **Susceptible**
Belly, Head Poison, Fatigue
**Strong Against** **Weak Against**
Water, Dragon, Ice Thunder, Fire

Part Durability

**Body Part** **Durability** **Effect on Decrease**
Head Low Large Lurch
Neck, Tail Medium Lurch
Body High Large Lurch
Wings (x2) Low Lurch/Knockdown
Legs (x2) High Lurch/Knockdown

Breakable Parts

**Body Part** **How to Break** **Effect of Break**
Head, Fin Decrease Durability Twice Extra Rewards
Wings (x2) Decrease Durability Twice Extra Rewards (Only Once)

Rage Effects

**Attack** **Defence** **Speed**
130% No Change 130%

Key Attacks

Body Slam - The Plesioth turns side on then rams its whole body towards the Hunter. This attack has a massive danger zone.

Slither - The Plesioth lays itself on the ground and then slides forward. This is also used to return to the water, so make sure you’ve rolled away in advance.

Water Stream - The Plesioth opens its fin and lowers its head launching a massive burst of water at the hunter (this is also used from the water if a hunter remains on the shore).

Backflip - A favourite of the Plesioth when it is underwater, it flicks its tail upwards at the Hunter while doing a backflip. You can see this attack early as the Plesioth moves its tail into position, so try and move early.

Recommended Strategy

As with other Wyverns it’s a good idea to get under the Plesioth and attack its legs, but always move away because the Plesioth has a number of attacks that can easily wipe you away from such a position. Simply move close, hit him a few times and then roll away.

As long as you stay in close proximity to the Plesioth then his projectile attacks won’t be a problem, so try and give chase if he moves away and especially if he dives into the water.

When submerged it’s a good idea to stay abreast of the Plesioth, approaching from a side-on angle so that his Water Beams don’t catch you completely off guard. As with all water monsters the Plesioth becomes fast underwater, so movement and cautious attacks become paramount.

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Guide Information
  • Publisher
  • Platforms,
  • Genre
    Action RPG
  • Guide Release
    11 April 2013
  • Last Updated
    11 February 2021
  • Guide Author
    James Bowden

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Easy to understand tips and pointers for novice players including combat strategies, essential items and how best to leverage the utilities of Moga Village. From new hunter to fact craving veteran, the GamerGuides.com Monster Hunter 3 Ultimate Strategy Guide is guaranteed to hold vital information for hunters of any colour.

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  • Explanations of the game’s many weapons and advice on how to use them.
  • A comprehensive Monster list that includes weaknesses, attacks and hunting strategies, for every creature from Altaroth to Zinogre.
  • Information for every Area of every Map.
  • Full 720p screenshots illustrate the guide.

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