# Legacy Rune Upgrade: Mal x2 + Flawless Amethyst -> Ist (Horadric Cube recipe)

Takes 2x Mal rune + 1x Flawless Amethyst and produces Ist rune. Diablo IV patch 3.2.1.

## Inputs
- 2x Mal rune
- 1x Flawless Amethyst (single-source (one guide), unconfirmed)

## Output
- Ist rune

## Restrictions
- Gem requirement unconfirmed by a second source