Everything you need to know about Rey Dau in Monster Hunter Wilds, including details on its strengths, weaknesses, how to beat, and more.
Beating Rey Dau in Monster Hunter Wilds can be a difficult challenge for some. The Apex Predator is unlocked as part of a Low Rank Hunting Quest, but the lack of the option of using Decorations can complicate having an effective build against the monster. Although Rey Dau is quite formidable, defeating it is fairly easy, granted you are aware of its strengths and weaknesses.

Here’s everything you need to know about Rey Dau in Monster Hunter Wilds, and how to quickly beat it.
Rey Dau Overview
Rey Dau is aFlying Wyvern, found at the heart ofWindward Plains. The Flying Wyvern is essentially the Apex Predator of the Windward Plains, albeit in Low Rank. Rey Dau has access toThunderelemental affinity, which it can inflict with itstail,horns, andwings. The basic skeleton of the monster is based on the likes ofRathalos, albeit with a small difference. Rey Dau has retractable horns on its face, which it can use to focus itsLightningattacks on the Hunter. Furthermore, the horns also shield its face from attacks, making it harder to create wounds. However, if you time your attacks right, you can break the horns and deal damage to the monster’s face.
In addition to that, Rey Dau’s tails have spikes which it can use to channel Thunder elemental energy. Similar toArkveldorMalzeno, Rey Dau can use its tail to attack Hunters, inflicting them with Thunder ailment. The Wyvern also uses the edge of its wings to channel Thunder elemental energy. Additionally, much like Rathalos, Rey Dau tends to stay airborne during battle, occasionally landing to use its Lightning discharge attack.
How To Unlock Rey Dau in Monster Hunter Wilds
Rey Dau is unlocked as part of the main story mission —The Eye of the Storm. This mission is part ofChapter 2. Once you complete this quest, Rey Dau is unlocked as anOptional Hunt. You can talk to Alma to start the optional Rey Dau hunt. This is a great way to grind for the monster’s parts and theCrown(needed for a trophy).
Where To Find Rey Dau
Rey Dau can be found at the heart of Windward Plains, past the desert. Once you defeat the monster in the Low Rank story quest, it can be found roaming the Plains, usually near the Desert and the grazing lands, i.e., the region close to theHunter’s Base.
Possible Turf Wars for Rey Dau
In Low Rank, Rey Dau has possible Turf Wars against:
In High Rank, Rey Dau has possible Turf Wars against:
Rey Dau Weaknesses
In terms of elemental weaknesses, Rey Dau is weak toWaterandIceElements. It’s also weak toPoison,Sleep,Blastblight, andExhaustStatuses. Although Rey Dau is also weak toParalysis, it won’t proc on the monster unless you’re able to hit its wounds effectively. Do note that if you’re running an elemental build, it’s best to target wounds to deal the most elemental damage on the monster. The Flying Wyvern can also be staggered out of its attacks usingFlash Pods.
Rey Dau’s Elemental Weaknesses
Rey Dau’s Status Weaknesses
As for elements that won’t have any effect on the monster, those are —Fireblight,Thunderblight, andDragonblight. If you’re using a heavy weapon, i.e., Great Sword, Hammer, or Hunting Horn, it’s best to stick withraw damageagainst this monster. Given how agile Rey Dau is, you won’t get too many windows to dish out elemental attacks.
Rey Dau Weak Points
Rey Dau’s primary weak points are itsHead,Wings, andTail. The Tail is severable and also can be carved. Furthermore, breaking the Wyvern’s Head and Wings massively reduces its mobility and aggression. Breaking Rey Dau’s horns is also highly recommended, as it reduces the frequency of its focused lightning bolt attacks.
Best Weapons for Rey Dau in Monster Hunter Wilds
The best weapons to use against Rey Dau are —Great Sword,Hammer,Bow,Switch Axe,Gunlance,Charge Blade,Dual Blades, andLong Sword. Great Sword and Hammer are incredibly effective in dealing short bursts of damage, while also staggering the monster. As for Switch Axe, Charge Blade, and Dual Blades, these weapons can be used with appropriate elements or status to subdue Rey Dau, and also break its defenses. Bow and Long Sword are effective due to their agility and good elemental properties. Long Sword in particular is incredibly effective against Rey Dau due to its ability to counter the monster’s attacks.
Here are some weapons that we found to be incredibly effective against Rey Dau:

Items To Carry for the Battle
Here are some items that you would want to carry in yourRadial Menufor the battle against Rey Dau:
How To Beat Rey Dau in MH Wilds
The battle against Rey Dau is divided into three phases. The first phase, as usual, is relatively easy compared to the other two. In its final phase, Rey Dau becomes extremely aggressive and stays in its enraged state for a long time, until you topple it or break its horns. Here’s a breakdown of the three phases of the battle:
Final Phase
Tips To Defeat Rey Dau
Here are some tips that should help you easily defeat Rey Dau in Monster Hunter Wilds:
Rey Dau’s Dropped Materials (Rewards)
Here are the materials that you can obtain for hunting/capturing Rey Dau:
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