✦ THE ART OF REFINEMENT

Refining Calculator

Every ascension begins with a single stone. Plan your materials, trace each refinement, and know the Bone cost before you begin.

Set your refinement

2 : 1 Ratio

Material type

Refine from

Refine to

Target quantity

Two materials of the same tier become one of the next tier. Tier limits and Bone fees vary by material.

Your refining plan

Live estimate

Starting materials required

Stone V → Stone VIII

Refining Fee (Bone)

0 Bone

Free refining

Refining steps

Created by ValFire- · © 2026 ValFire- (calculator design & code)
Unofficial fan-made tool. ZU Online names and game artwork belong to their respective owners.Official ZU Online ↗