Great Sword Ore Tree

Buster Sword III

Rarity 6

A modified iron great sword that's perfect for beginners and widely admired for its handling.

Sharpness

How to get it

Step 5 of 5

Upgrade from Buster Sword II at the Smithy.

Step 1 · Forge Rarity 1
Hope Blade I
Also branches to Paretic Blade I, Quematrice Espada I
Step 2 · Upgrade Rarity 1
Hope Blade II
Iron Ore ×2

Also branches to Hope Blade III
Step 3 · Upgrade Rarity 2
Buster Sword I
Machalite Ore ×1, Earth Crystal ×2
Step 4 · Upgrade Rarity 4
Buster Sword II
Lightcrystal ×1, Icium ×2
Step 5 · Upgrade Rarity 6
Buster Sword III
Fucium Ore ×4, Monster Keenbone ×3, Gracium ×3

Also branches to Jin Dhavaar I, Ravager Blade
This weapon

Buster Sword II → Buster Sword III

Material	Qty	Comes from	Highest listed chance
Fucium Ore	×4	Gathering
Monster Keenbone	×3	Mizutsune, Balahara, Guardian Ebony Odogaron	30% carve · rotten · mizutsune
Gracium	×3	Quest reward

Hope Blade I → Hope Blade II → Buster Sword I → Buster Sword II → Buster Sword III

Material	Qty	Comes from	Highest listed chance
Iron Ore	×2	Quest reward
Machalite Ore	×1	Jin Dahaad	15% target reward · jin dahaad
Earth Crystal	×2	Quest reward
Lightcrystal	×1	Quest reward
Icium	×2	Jin Dahaad	100% broken part · jin dahaad
Fucium Ore	×4	Gathering
Monster Keenbone	×3	Mizutsune, Balahara, Guardian Ebony Odogaron	30% carve · rotten · mizutsune
Gracium	×3	Quest reward

4 monsters

Balahara Leviathan

Provides Monster Keenbone

Seen in Windward Plains

Provides Monster Keenbone

Seen in Ruins of Wyveria

Jin Dahaad Leviathan

Provides Machalite Ore, Icium

Seen in Iceshard Cliffs

Mizutsune Leviathan

Provides Monster Keenbone

Seen in Ruins of Wyveria, Scarlet Forest