The Gastrophetes is a crossbow in Final Fantasy XII. In the original version it is the ultimate crossbow, while in the Zodiac versions, the title is given to its upgraded version, the Tula. In the original version, its license costs 75 LP. In the Zodiac versions, its license costs 115 LP and it can be used by the Time Battlemage.
Vaan wields the Gastrophetes in his attacks when in EX Mode. Vaan's weapons are from Final Fantasy XII, and his normal and EX Mode weapons are among the weakest and strongest equipment in their respective equipment types.
The gastraphetes was a hand-held crossbow used by the Ancient Greeks.