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

Takes 2x Ist rune + 1x Flawless Ruby and produces Vex rune. Diablo IV patch 3.2.1.

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

## Output
- Vex rune

## Restrictions
- Gem requirement unconfirmed by a second source