A Curious Creeping Vine

A Curious Creeping Vine is a memory gem in Echoes of Mana.

Description
The blurb describes a scene during chapter I in Dawn of Mana during which Keldric and Ritzia explore the Great Tree and end up standing before an altar. Keldric grabs a shiny object from it which latches onto its arm, fusing with it and turning into a sword.