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Royal Ludroth

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Royal Ludroth
MH3 RoyalLudrothIntro6
English Name: Royal Ludroth
Nicknames: R.Ludroth, Royal L.
Titles: Water Beast
Romaji: Roarudorosu
Japanese Name: ロアルドロス
Japanese Title: 水獣
Korean Name: 로아루도로스
Description and Information
Species: Leviathan
Element/s: Water
Ailment/s: Waterblight
Weakest to: Fire/Thunder
Weakness Sign: Limping
Signature Move: Body Roll, Water Bomb
Habitats: Deserted Island and Flooded Forest
Size: Gold Crown Large 1931.5 cm
Gold Crown Small 1359.8 cm
Monsters in Relation: Ludroth
Purple Ludroth
Chronological Appearances
First US/EU Appearance: Logo-MH3 EN (2010)
First JP Appearance: Logo-MH3 JP (2009)
Latest Appearance: Logo-MH3U (2013)
Generation: 3

The Royal Ludroth is a medium sized Leviathan, and the alpha-male of the Ludroth.

MH3-Royal Ludroth Render 001


It has a crown-like crest as well as a large yellow mane; both of which can be broken. The Royal Ludroth appears like a very large komodo dragon-like lizard which entirely have yellow and mossy green scales. It has some protruding crests on it's head which are shaped like avian digits.

Its mane is actually its greatly developed water sacs, which are as thick as its hide, but somewhat spongy in texture. Its front legs have some spikes by the joints, while the palm is heavily circular and the fingers seems to be bulging from it, along with the typical mammalian claws.

Its hind legs have no spikes nor possible thumbs since they acts as its fin-like pedals. From the start of the tail, a dorsal-type fin protrudes from it, which compresses like some thick leathery appendage. The tail tip is shaped like a prism, appear grayish like rocks, which have studded features along it until the shape edge.


The Royal Ludroth uses a mucus made water-like water-bomb charge attack bearing some resemblance to the Gypceros' "Drunken Charge". The mane around its neck is a spongy material which it uses to store water while on land. Its spongy mane will shrink as it gets tired, causing its ability to use mucus made water-like bomb attacks to be hindered. Usually when this happens, it will retreat back to water to recover stamina. It can also roll in puddles to rehydrate.

Royal Ludroth also uses rolls to attack a hunter. There are 2 types of rolls that Royal Ludroth can perform. One in which it will do a short roll to its side and another where it will do a roll/body slam that covers more distance and is considerably faster. The shorter roll is sometimes used to recover stamina.

Royal Ludroth can be seen in Areas 5 and 9-12 in Deserted Island. In the Flooded Forest, Royal Ludroth will start out in Area 4, but can move if not encountered. It can also travel between Areas 1-6, and 8. Even though its attacks are much stronger and more effective in the water it will always sleep on land. In the Flooded Forest it sleeps on the land in Area 8 and in the Deserted Island it sleeps at Area 12.

Breakable Parts


Elemental/Status Effectiveness

Monster Hunter 3

Element Damage
Hitzone Fire Water Thunder Ice Dragon
Head 30 0 5 5 5
Mane 40 0 15 10 0
Back 30 0 10 5 5
Stomach 35 0 10 10 0
Front Leg 20 0 10 10 0
Back Leg 20 0 10 5 0
Tail 25 0 5 5 0
Status Effect
Poison Paralysis Sleep Fatigue Stun
Initial Tolerance 180 180 180 180 200
Tolerance Inc. (max) +120 (660) +120 (780) +120 (660) +15 (78) +100 (600)
Tolerance Recovery 5 / 10 sec 5 / 10 sec 5 / 10 sec 5 / 10 sec 5 / 10 sec
Duration 60 sec 10 sec 60 sec -- sec 10 sec
Damage 150 --- --- 200 ---

Monster Hunter Portable 3rd

MHP3rd Analysis

Information taken from

Hitzone Cut. D. Imp. D. Shot D. Fire Water Thunder Ice Dragon
Head 42 50 50 20 0 15 10 5
Stomach 50 45 45 25 0 10 15 0
Mane 45 42 30 20 0 15 15 0
Back 30 45 40 30 0 10 10 5
Front Legs 30 35 40 15 0 10 15 0
Back Legs 35 30 25 15 0 10 10 0
Tail 42 42 30 20 0 5 10 0

Item Effectiveness

Item Effect
Item Name Able Effectiveness Duration (1st time) Duration (2nd time) Notes
Pitfall Trap ★★☆ Doesn't work underwater, so take Shock Trap when trying to capture.
Shock Trap ★★☆
Flash Bomb ★★☆
Sonic Bomb ★☆☆ Only works when Underwater and not in Rage
Dung Bomb ★★☆
Meat x ☆☆☆

Damage Effectiveness

For the damage formula (how it's calculated), hitzone charts, Royal Ludroth info and more click the following links: Monster Hunter 3 Damage Formula or Monster Hunter 3 Hitzone Charts. Images created by Inkoseh.

In-Game Description

Monster Hunter 3
MH3-Royal Ludroth Icon Royal Ludroth use their sponge like neck scales to absorb water and prevent drying out on land. Once the sponge loses moisture, they attempt to re-enter the water. They also spew mucus to trip up their prey.
Monster Hunter Portable 3rd
MHP3-Royal Ludroth Icon 別名 “水獣” 。首にあるスポンジ状の鱗に大量の水分を含ませることで表皮の乾燥を防ぎ、陸上での活動を助けている。だが、スポンジが萎縮し始めるとその能力を失うため、水浴びを行い回復を図る。また、特殊な粘液を吐きだし獲物の足元をすくって捕える。
Monster Hunter 3 Ultimate
Royal Ludroth Icon Royal Ludroth use their sponge-like neck scales to absorb water and keep from drying out on land. Once the sponge loses moisture, they attempt to re-enter the water. They also spew mucus to trip up their prey.


  • When in Rage mode, it shoots three water bombs that, if walked upon or struck by, will cause Waterblight, which causes stamina to recover much slower than normal. It can also fire three water bombs when not in Rage mode, but it does this rarely.
  • Using a Sonic Bomb underwater may cause it to drop a Wyvern Tear. Breaking the mane can also cause an item to drop.
  • The Royal Ludroth will also charge in the water and call on female Ludroth to help it fight.
  • When its mane looks deflated it will go to the water to recover stamina and it will puff back up, whilst in Monster Hunter Portable 3rd, it will go to the waterfall in Area 2 to recover stamina. It is broken when parts look hacked off and will usually drop a shiny.
  • In the water its eyes will glow orange, when weakened enough they will glow a dull dark grey.
  • When in the same area as a Gobul they will often ignore the player and attack the Gobul.
  • Royal Ludroth and Lagiacrus share multiple moves, including the torso slam, curl and water/thunder spit.
  • Even in the early part of the fight against it, attacking the head with impact damage, explosives or even the Arrow Bomb attacks with Bows can almost inflict stagger on it almost everytime.
  • Royal Ludroth are known to attack a Great Jaggi if one appears; however, they are more likely to either flee or ignore it completely.
  • In a strange connection to Purple Ludroth, when Royal Ludroth uses his Water Ball Shot attack underwater, it has a slightly purple color to it.
  • Whilst in the Deserted Island, Royal Ludroth will not venture any further inland than Area 5 in Monster Hunter Tri, but in Monster Hunter Portable 3rd, it will advance as far as Area 2.
  • Royal Ludroth is the first aquatic big monster fought in Monster Hunter Tri and Monster Hunter 3 Ultimate.

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