Heavy Bowgun Ore Tree

Iron Assault III

Rarity 6

A simple bowgun that's perfect for beginners.

How to get it

Step 5 of 5

Upgrade from Iron Assault II at the Smithy.

Step 1 · Forge Rarity 1
Hope Cannon I
Also branches to Chata Sheller I
Step 2 · Upgrade Rarity 1
Hope Cannon II
Iron Ore ×2

Also branches to Hope Cannon III
Step 3 · Upgrade Rarity 2
Iron Assault I
Machalite Ore ×1, Earth Crystal ×2

Also branches to Rompo Sniper I
Step 4 · Upgrade Rarity 4
Iron Assault II
Lightcrystal ×1, Icium ×2
Step 5 · Upgrade Rarity 6
Iron Assault III
Fucium Ore ×4, Monster Keenbone ×3, Gracium ×3

Also branches to Steel Assault
This weapon

Iron Assault II → Iron Assault 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 Cannon I → Hope Cannon II → Iron Assault I → Iron Assault II → Iron Assault 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