How to obtain:
- This weapon was either edited out of the game before release, or never integrated. It can be accessed through a savestate that begins the game with all items, or through savestate hacking.
'Graedus' is a popular name from Squaresoft games, and most closely resembles the Latin 'gladus,' which directly translates to sword.
'Gravity' is the usual name in Squaresoft games for attacks that cut the target's HP in half.
From: Weapons (Chrono Trigger)