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Rey Dau

Flying Wyvern

Quematrice of the Windward Plains

Verified Source:MHWilds Guide (community, Ver.1.0)(2026-07-29)

The apex predator of the Windward Plains, wreathed in lightning. Its electric wing-blades strike with precision.

3-Second Read

Aim here
Head — 55 slash
Best element
ice (peak 25)
Best damage type
Slash (cutting) — avg 50

Elemental Weaknesses

ice★★★water★★fire★★dragon★★

Inflicted Ailments

thunderblight

Hitzone Values

Weakness values by monster hitzone. Values highlighted in green are effective weak points (≥ 45).
Hitzone PartSlash (斩)Blunt (打)Shot (弹)FireWaterThunderIceDragon
Head55505010150255
Wingblades45404010150205
Body4035305100155
Tail5045405100155

Values of 45 or higher trigger Weakness Exploit and are highlighted in green.

Where to Find It

Primary locale: Windward Plains

Windward Plains

Matchup Guide — Best Weapons

WeaponDamage typeAvg best-3Best partVerdict
Great Swordslash50Head (55)strong
Long Swordslash50Head (55)strong
Charge Bladeslash50Head (55)strong
Sword & Shieldslash50Head (55)strong
Dual Bladesslash50Head (55)strong
Lanceslash50Head (55)strong
Gunlanceslash50Head (55)strong
Switch Axeslash50Head (55)strong
Insect Glaiveslash50Head (55)strong
Hammerblunt45Head (50)even
Hunting Hornblunt45Head (50)even
Bowshot43.3Head (50)tough
Light Bowgunshot43.3Head (50)tough
Heavy Bowgunshot43.3Head (50)tough

Severable: Tail — requires cutting damage.

Breakable Parts & Rewards

PartConditionRewardChance
HeadAccumulated damageRey Dau Horn75%
WingbladesAccumulated damageRey Dau Wingblade65%
TailSever (slash only)Rey Dau Tail80%

Material Drop Rates

  • Rey Dau Plate (R8) — best route: 7% via part break
  • Rey Dau Horn (R7) — best route: 75%(head) via part break
  • Rey Dau Wingblade (R7) — best route: 65%(wingblades) via part break
MaterialRarityCarveCaptureBreakTarget
Rey Dau ScaleR630%25%20%22%
Rey Dau HornR715%18%75%(head)15%
Rey Dau WingbladeR720%22%65%(wingblades)20%
Thunder SacR615%18%20%
Rey Dau TailR620%(tail carve)80%
Rey Dau PlateR83%5%7%2%

Rey Dau Weakness FAQ

What is Rey Dau weak to in Monster Hunter Wilds?
Ice is the strongest elemental option, averaging 20 per hitzone and peaking at 25 on the head. Physically it is softest to slash (cutting), averaging 50 across the best 3 hitzones.
What is the best weapon against Rey Dau?
The three strongest matchups by raw hitzone average are Great Sword, Long Sword, Charge Blade. Great Sword leads because Slash (cutting) averages 50 across the best 3 hitzones, peaking at 55 on the head.
Where should I aim to deal the most damage to Rey Dau?
Aim at the head: it has a 55 slash hitzone, the highest single value on this monster. Anything at or above 45 also triggers Weakness Exploit.
Can you sever Rey Dau's tail?
Yes — the tail can be severed, but only with cutting damage. Bring a Slash weapon if you need the tail material.
What is the fastest way to farm Rey Dau Plate?
The highest recorded rate is 7% via part break (rarity 8). Combine it with target rewards to shorten the grind.