- Class
- Flying Wyvern
- Habitat
- Windward Plains
- Weak to
- Ice
- Base HP
- 5,000
- Variants
- Tempered Rey Dau, Arch-tempered Rey Dau
The flying wyvern that reigns supreme over the Windward Plains' ecosystem. It is able to store, amplify, and discharge the Sandtide's lightning.In-game description
Rey Dau is the king of the Windward Plains, and it brings its own thunderstorm. You hear it before you see it: the fulgurite on its body rings like a warning bell, and every monster in the region knows what that means.
Out in the wild
This flying wyvern sits at the very top of the Windward Plains’ ecosystem and appears most during the Sandtide, the region’s storm season. It has adapted to that storm: it stores the Sandtide’s lightning, amplifies it and fires it back out. When a charged wing or tail touches the ground, a mantle of fulgurite forms around it. That widens its attacks and boosts its charge even more. Its nest is covered in the same glassy rock. Rey Dau is extremely territorial and attacks anything that wanders in.
It beats Doshaguma and Balahara in turf wars. Only Arkveld beats Rey Dau.
Where you meet it
Chapter 2, “The Eye of the Storm”, then again in High Rank in Chapter 5, “A World Turned Upside Down”. New to the series with Wilds. Arch-Tempered Rey Dau was the first Arch-Tempered event monster.
How the fight goes
Its signature move is a charged railgun blast from the horns, and it’s the attack that ends hunts. Never stand in front of it. Get to the side or underneath. When it’s enraged, it can fire from the air too. The reward for dodging is good, though: after a big discharge its head is exposed, and that’s the moment for a Focus Strike.
Hunter’s tips
- Break the fulgurite on the wings and tail. It cuts its reach and its charge.
- Wings and horns can be broken, and the tail can be cut off.
- Shock Traps are unreliable on a monster made of lightning, so use a Pitfall Trap. Flash Pods bring it down from the air.
- Thunder resistance is your friend here.
Weaknesses
Elements
Status ailments
Items & effects
Elements: the game data marks the main elemental weakness; "best hitzone" is the highest value for that element on any body part. Status and item stars: 3 = most effective. A dash means no listed weakness.
Hitzones
| Part | Slash | Blunt | Pierce | Fire | Water | Thndr | Ice | Drgn | Stun | Extract |
|---|---|---|---|---|---|---|---|---|---|---|
| Left Wing | 45 | 50 | 45 | 5 | 10 | 0 | 15 | 5 | 0 | White |
| Head | 60 | 65 | 50 | 5 | 15 | 0 | 20 | 5 | 100 | Red |
| Right Leg | 37 | 37 | 33 | 5 | 5 | 0 | 5 | 5 | 0 | White |
| Hide 1 | 50 | 55 | 50 | 5 | 10 | 0 | 15 | 5 | 0 | White |
| Hide 2 | 50 | 55 | 50 | 5 | 10 | 0 | 15 | 5 | 0 | White |
| Hide 3 | 55 | 50 | 50 | 5 | 10 | 0 | 15 | 5 | 0 | White |
| Right Wing | 45 | 50 | 45 | 5 | 10 | 0 | 15 | 5 | 0 | White |
| Left Leg | 37 | 37 | 33 | 5 | 5 | 0 | 5 | 5 | 0 | White |
| Torso | 30 | 30 | 25 | 5 | 5 | 0 | 5 | 5 | 0 | Orange |
| Tail | 45 | 40 | 45 | 5 | 5 | 0 | 10 | 5 | 0 | Green |
Higher numbers take more damage. Highlighted: 45+ for physical and 20+ for elemental damage, the usual weak-spot thresholds.
Drops & rewards
Low Rank
| Item | Method | Qty | Chance |
|---|---|---|---|
| Rey Dau Thunderhorn | Broken Part (Head) | 1 | 100% |
| Rey Dau Wingtalon | Broken Part (Hide) | 1 | 100% ×2 |
| Rey Dau Scale | Carve | 1 | 28% |
| Rey Dau Shell | Carve | 1 | 23% |
| Rey Dau Wingtalon | Carve | 1 | 18% |
| Rey Dau Thunderhorn | Carve | 1 | 13% |
| Rey Dau Tail | Carve | 1 | 11% |
| Rey Dau Plate | Carve | 1 | 7% |
| Rey Dau Scale | Carve Rotten | 1 | 60% |
| Rey Dau Shell | Carve Rotten | 1 | 40% |
| Rey Dau Scale | Carve Rotten Severed | 1 | 60% |
| Rey Dau Tail | Carve Rotten Severed | 1 | 40% |
| Rey Dau Tail | Carve Severed | 1 | 88% |
| Rey Dau Plate | Carve Severed | 1 | 12% |
| Rey Dau Scale | Target Reward | 1 | 25% |
| Rey Dau Shell | Target Reward | 1 | 25% |
| Rey Dau Wingtalon | Target Reward | 1 | 15% |
| Rey Dau Thunderhorn | Target Reward | 1 | 11% |
| Rey Dau Tail | Target Reward | 1 | 11% |
| Rey Dau Certificate | Target Reward | 1 | 8% |
| Rey Dau Plate | Target Reward | 1 | 5% |
| Rey Dau Scale | Wound Destroyed | 1 | 50% |
| Rey Dau Shell | Wound Destroyed | 1 | 50% |
High Rank
| Item | Method | Qty | Chance |
|---|---|---|---|
| Rey Dau Bolthorn | Broken Part (Head) | 1 | 100% |
| Rey Dau Fulgurtalon | Broken Part (Hide) | 1 | 100% ×2 |
| Rey Dau Scale+ | Carve | 1 | 30% |
| Rey Dau Carapace | Carve | 1 | 23% |
| Rey Dau Fulgurtalon | Carve | 1 | 18% |
| Rey Dau Bolthorn | Carve | 1 | 13% |
| Rey Dau Tail | Carve | 1 | 11% |
| Rey Dau Boltgem | Carve | 1 | 5% |
| Rey Dau Scale+ | Carve Rotten | 1 | 40% |
| Rey Dau Carapace | Carve Rotten | 1 | 30% |
| Monster Hardbone | Carve Rotten | 1 | 30% |
| Rey Dau Scale+ | Carve Rotten Severed | 1 | 60% |
| Rey Dau Tail | Carve Rotten Severed | 1 | 40% |
| Rey Dau Tail | Carve Severed | 1 | 93% |
| Rey Dau Boltgem | Carve Severed | 1 | 7% |
| Rey Dau Boltgem | Target Reward | 1 | 100% |
| Rey Dau Bolthorn | Target Reward | 1 | 36% |
| Rey Dau Fulgurtalon | Target Reward | 1 | 36% |
| Rey Dau Scale+ | Target Reward | 1 | 26% |
| Rey Dau Carapace | Target Reward | 1 | 26% |
| Rey Dau Scale+ | Target Reward | 1 | 22% |
| Rey Dau Carapace | Target Reward | 1 | 22% |
| Rey Dau Plate | Target Reward | 1 | 21% |
| Rey Dau Fulgurtalon | Target Reward | 1 | 16% ×2 |
| Rey Dau Tail | Target Reward | 1 | 11% ×2 |
| Rey Dau Bolthorn | Target Reward | 1 | 11% ×2 |
| Rey Dau Certificate S | Target Reward | 1 | 8% |
| Rey Dau Plate | Target Reward | 1 | 7% ×2 |
| Rey Dau Boltgem | Target Reward | 1 | 7% |
| Rey Dau Boltgem | Target Reward | 1 | 3% ×2 |
| Wyverian Bloodstone | Tempered Wound Destroyed | 1 | 70% |
| Wyverian Bloodstone (L) | Tempered Wound Destroyed | 1 | 23% |
| Wyverian Bloodstone Chunk | Tempered Wound Destroyed | 1 | 7% |
| Rey Dau Scale+ | Wound Destroyed | 1 | 50% |
| Rey Dau Carapace | Wound Destroyed | 1 | 50% |
Rey Dau weapons & armor
Weapons
Armor sets
Strongest Ice weapons
Sorted by element value. Rey Dau takes extra ice damage.