Great Sword Nerscylla Tree

Immane Blade I

Rarity 3

Unique Nerscylla materials gave rise to this ingenious great sword that defies the limits of the forge.

Sharpness

How to get it

Step 3 of 3

Upgrade from Bone Blade II at the Smithy.

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

Also branches to Dosha Fellslayer I
Step 2 · Upgrade Rarity 2
Bone Blade II
Monster Fluid ×1, Sturdy Bone ×2

Also branches to Bone Blade III, Nu Krake I
Step 3 · Upgrade Rarity 3
Immane Blade I
Nerscylla Shell ×3, Nerscylla Claw ×2, Sleep Sac ×1

Also branches to Immane Blade II, Nihil Great Sword I
This weapon

Bone Blade II → Immane Blade 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 Blade I → Bone Blade II → Immane Blade 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