Sagittarius (weapon)

The Sagittarius is a recurring bow in the Ivalice Alliance compilation of the Final Fantasy series. It is the strongest weapon of its kind on all of its appearances, except for the International version of Final Fantasy XII where it is surpassed by the Seitengrate, an invisible bow with 224 attack. Sagittarius is named after the constellation of the same name, which appropriately enough, is a Centaur archer.

Final Fantasy XI
While there is a Sagittarius' Bow in the game data, there is no way to obtain it. There is a Notorious Monster by the name Sagittarius X-XIII, however, it drops the Loxley Bow.

Final Fantasy XII
The Sagittarius is the the strongest bow available in Final Fantasy XII. Its license can be found in mid-bottom of a Bazaar price list, and costs 60,000 gil. Similar to other powerful weapons, the Sagittarius requires several rare loots to synthesize:

Final Fantasy XII: Revenant Wings
Sagittarius is Fran's strongest weapon. It has the attack power of 100 with magic power of 50 and speed of 60. It is mission reward for completing Mission #25: An Uninvited Invitation.

Final Fantasy Tactics
The Sagittarius Bow is the strongest bow in the game, and was added in the War of the Lions remake. It can only be obtained via Multiplayer mode.

Final Fantasy Crystal Chronicles: Echoes of Time
Sagittarius Bow is a high-ranked bow any race can use, and cannot be bought. It provides 113 Attack, +25 Stun, and takes one slot.