Refined Languhiris Chaser Gloves is crafted with Tailoring in Mabinogi (gloves). This page lists everything needed to make it, checked against the game as it exists today. The interactive planner lives in the Tailoring Companion.
How to get the sewing pattern
The sewing pattern is rank 3 and survives 30 uses; every crafting attempt spends one use.
(Refined Cloth Gloves) Sewing Pattern Fragment: Clear Rabbie Phantasm Temptation's Path or Rabbie Intermediate for a chance at this fragment. Combine two matching fragments to redeem one refined glove piece
Materials
Expect about 4 attempts per finished item (25% average progress per attempt). Per-attempt materials are consumed on every attempt; finishing materials once per item.
Each attempt uses
5× Phantasmal Ingot — crafted product, no gather/drop method exists
8× Intact Shyllien — Craft from Shyllien using the Magic Craft skill.
2× Mutant — Obtain method undocumented on the wiki; likely a Magic Craft synthesis or event material.
1× Dragon Flesh Lump — Cook it from Dragon Flesh dropped by the Black or White Dragon raid.
Finishing (once per item)
1× Dragon Scale — Gather Dragon Scale Fragments from the Black or White Dragon field raid.
1× White Dragon Eyeball — Defeat the White Dragon field raid near the Flightless Bird Mark in Physis.
1× Condensed Chaotic Rune — Alby/Ciar/Rundal Advanced Hardmode dungeon drop