Upgrade simulator

The blacksmith's math, straight from the server's refine tables — success chance, yang cost and materials per level, plus expected cost across attempts.

Inputs

Item line

Open Storm Plate Armour in the item database →

Target level +Fail drops back to +0

Per level

Step	Chance	Cost	Materials
+1	90%	600	—
+2	90%	1,200	—
+3	90%	2,500	—

Expectation

3.3 upgrade attempts expected to reach +3

4,778 yang expected