Dark Filament

Rampage Skills:

Slot 1: Attack Boost III
Attack +8

Slot 1: Fire Boost I
Fire element attack power +4

Slot 1: Element Exploit
Increases damage when exploiting a foe's elemental weakness.

Rampage Skills (from Upgrade):

Slot 1: Affinity Boost I
Affinity +4%

Slot 1: Attack Boost I
Attack +4

Slot 1: Attack Boost II
Attack +6

Slot 1: Defense Boost II
Defense Bonus +20

Slot 1: Small Monster Exploit
Increases damage to small monsters.

Upgradeable to:

Dark Filament+ Crafted

Upgraded from / with:

Prominence Bow II Crafted

Teostra Carapace x3 Rathalos Ruby x1

Remaining crafting materials:

Craft from scratch:

Teostra Carapace x3 Rathalos Ruby x1 Rakna-Kadaki Glowgut x2 Rathalos Wing x3 Rath Wingtalon+ x2 Rathalos Plate x1 Rathalos Carapace x5 Rathalos Scale+ x6 Firecell Stone x4 Rath Medulla x1 Rathalos Scrap+ x2