Heavy Bowgun Nerscylla Tree

Ner Bustergun I

Rarity 3

A Heavy Bowgun that leverages the Nerscylla's stretchy materials to achieve good handling and firepower.

How to get it

Step 3 of 3

Upgrade from Bone Shooter II at the Smithy.

Step 1 · Forge Rarity 1
Bone Shooter I
Mystery Bone ×2

Also branches to Power Stinger I
Step 2 · Upgrade Rarity 2
Bone Shooter II
Monster Fluid ×1, Sturdy Bone ×2

Also branches to Bone Shooter III, Uth Dalgap I
Step 3 · Upgrade Rarity 3
Ner Bustergun I
Nerscylla Shell ×3, Nerscylla Claw ×2, Sleep Sac ×1

Also branches to Ner Bustergun II
This weapon

Bone Shooter II → Ner Bustergun I

Material	Qty	Comes from	Highest listed chance
Nerscylla Shell	×3	Nerscylla	50% wound destroyed · nerscylla
Nerscylla Claw	×2	Nerscylla	100% broken part · nerscylla
Sleep Sac	×1	Nerscylla	30% carve · rotten · nerscylla

Bone Shooter I → Bone Shooter II → Ner Bustergun I

Material	Qty	Comes from	Highest listed chance
Mystery Bone	×2	Quest reward
Monster Fluid	×1	Lala Barina	30% carve · rotten · lala barina
Sturdy Bone	×2	Chatacabra, Doshaguma, Jin Dahaad, Balahara	30% carve · rotten · doshaguma
Nerscylla Shell	×3	Nerscylla	50% wound destroyed · nerscylla
Nerscylla Claw	×2	Nerscylla	100% broken part · nerscylla
Sleep Sac	×1	Nerscylla	30% carve · rotten · nerscylla

6 monsters

Balahara Leviathan

Provides Sturdy Bone

Seen in Windward Plains

Chatacabra Amphibian

Provides Sturdy Bone

Seen in Windward Plains

Doshaguma Fanged Beast

Provides Sturdy Bone

Seen in Ruins of Wyveria, Scarlet Forest, Windward Plains

Jin Dahaad Leviathan

Provides Sturdy Bone

Seen in Iceshard Cliffs

Lala Barina Temnoceran

Provides Monster Fluid

Seen in Ruins of Wyveria, Scarlet Forest

Nerscylla Temnoceran

Provides Nerscylla Shell, Nerscylla Claw, Sleep Sac

Seen in Iceshard Cliffs, Oilwell Basin, Ruins of Wyveria