Details of the weapons.

Quote Originally Posted by My guide
Umbrella
Location: Gold Saucer Shooting Coaster (Disc 1)
Price: 5,000 points
Attack: 58
Attack %: 118
Materia Slots: None
Growth: None
Special Bonuses: Magic +10, Vitality +20, Critical hit +5%

Flayer
Location: Gold Saucer Shooting Coaster (Disc 2+3)
Price: 5,000 points
Attack: 100
Attack %: 100
Materia Slots: O O O O O O
Growth: Normal
Special Bonuses: Magic +20
Quote Originally Posted by Rengori
It's Aeris's strongest weapon.
The Umbrella may have +6 more Attack, but I find that the Princess Guard is still more powerful. The same applies to the Flayer and Venus Gospel.