Hunting Horn Rey Dau Tree

Rey Perun I

Rarity 3

A hunting horn imbued with Rey Dau's thunder. Its anthems announce the coming of a lord, and invoke fear.

Sharpness

How to get it

Step 4 of 4

Upgrade from Balahara Horn I at the Smithy.

Step 1 · Forge Rarity 1
Hope Horn I
Also branches to Sonic Horn I
Step 2 · Upgrade Rarity 1
Hope Horn II
Iron Ore ×2

Also branches to Hope Horn III, Metal Bagpipe I
Step 3 · Upgrade Rarity 2
Balahara Horn I
Aqua Sac ×1, Balahara Scale ×3, Balahara Skull ×1

Also branches to Balahara Horn II
Step 4 · Upgrade Rarity 3
Rey Perun I
Rey Dau Scale ×3, Rey Dau Thunderhorn ×1, Rey Dau Wingtalon ×2

Also branches to Rey Perun II
This weapon

Balahara Horn I → Rey Perun I

Material	Qty	Comes from	Highest listed chance
Rey Dau Scale	×3	Rey Dau	60% carve · severed, rotten · rey dau
Rey Dau Thunderhorn	×1	Rey Dau	100% broken part · rey dau
Rey Dau Wingtalon	×2	Rey Dau	100% broken part · rey dau

Hope Horn I → Hope Horn II → Balahara Horn I → Rey Perun I

Material	Qty	Comes from	Highest listed chance
Iron Ore	×2	Quest reward
Aqua Sac	×1	Balahara, Uth Duna	30% carve · rotten · uth duna
Balahara Scale	×3	Balahara	60% carve · severed, rotten · balahara
Balahara Skull	×1	Balahara	80% broken part · balahara
Rey Dau Scale	×3	Rey Dau	60% carve · severed, rotten · rey dau
Rey Dau Thunderhorn	×1	Rey Dau	100% broken part · rey dau
Rey Dau Wingtalon	×2	Rey Dau	100% broken part · rey dau

3 monsters

Balahara Leviathan

Provides Aqua Sac, Balahara Scale, Balahara Skull

Seen in Windward Plains

Rey Dau Flying Wyvern

Provides Rey Dau Scale, Rey Dau Thunderhorn, Rey Dau Wingtalon

Seen in Windward Plains

Uth Duna Leviathan

Provides Aqua Sac

Seen in Scarlet Forest