Unlock (アンロック, Anrokku^?) is a magic spell in Vagrant Story. It is one of Sorcery Spells that Ashley Riot learns from a Grimoire.

Ashley learns Unlock from the Grimoire Clef, dropped by Father Duane at the Town Center West's Tircolas Flow. Unlock opens treasure chests that are locked by magic. The spell costs 3 MP, however, casting it does not mean the spell would be 100% successful; the hit rate percentage depends on the value of Ashley's Risk, and is calculated below: