Rune is a legendary knife in Murder Mystery 2 (MM2). Available to all players in the current game version. A reliable mid-tier pick with consistent player interest. Rune is a collectible knife skin valued in the trading community. Obtained from: Mystery Box 1. Community trade value: around x4 T1 Rare Weapons. Notably: This knife appeared as the Murder Mystery 2 icon for a period of time This is one of the few knives added alongside the Season 1 update