Languhiris Bone-Breaker is crafted with Hillwen Engineering in Mabinogi. This page lists everything needed to make it, checked against the game as it exists today. The interactive planner lives in the Hillwen Companion.
Recipe availability
Languhiris Bone-Breaker is a rank 3 Hillwen Engineering recipe with a best success rate of 95% at rank 1 and dan ranks.
Materials
Each craft uses
1× Physis Wooden Lance — NPC weapon shops (Physis/Vales); the dan-test shop sells it 1 at a time
10× Hillwen Alloy
1× White Dragon Heart — Defeat the White Dragon field raid near the Flightless Bird Mark in Physis.
5× Dragon Bone — Get Dragon Bone Fragments from the Black or White Dragon field raid.
5× Dragon Scale — Gather Dragon Scale Fragments from the Black or White Dragon field raid.
5× Dragon Claw — Receive it as a reward from the Black or White Dragon field raid.