Rey Dau

ThunderHigh Rank

Windward Plains

Quick Answers

What is Rey Dau weak to?

Water is extremely effective (◎), Ice is effective (◯). It is completely immune to Thunder.

How do you fight Rey Dau?

Break its head horns to reduce the power of its lightning railgun attacks, and use Flash Pods to ground it during aerial phases.

About Rey Dau

The apex of the Windward Plains, a flying wyvern that channels thunder through its horn-shaped head. It absorbs Thunder damage — never bring thunder weapons. Water is king here.

Rey Dau Elemental Weakness Chart

Fire△ Moderate
Water◎ Very Effective
Thunder— Immune
Ice◯ Effective
Dragon× Resistant

◎ Very Effective · ◯ Effective · △ Moderate · × Resistant · — Immune. Rating reflects elemental damage effectiveness. Status effects listed separately below.

Weak Points & Breakable Parts

Weak Points

Head

Breakable

HeadHornsWings

Severable

Tail

Effective Status Effects

✦ Stun

Recommended Loadout vs Rey Dau

Bring weapons matching the ◎/◯ elements above. For monsters with multiple high-rated elements, choose the one your weapon tree supports best.

Related Monsters

Frequently Asked Questions

Is Rey Dau an apex predator?

Yes, Rey Dau is the apex monster of the Windward Plains.

What is the best weapon against Rey Dau?

Water-element weapons — the Jyuratodus or Uth Duna weapon trees are ideal choices.