From Final Fantasy Wiki

Bio 2 in Final Fantasy VII.

Biora, also known as Bio 2, is a stronger form of the spell Bio in the Compilation of Final Fantasy VII. A third spell, Bioga, is even stronger than this form.

Appearances

Final Fantasy VII

Bio 2 is the second spell on the Poison Magic Materia. It takes 5000 AP to learn and 36 MP to cast.

Before Crisis -Final Fantasy VII-

Biora is a Non-Elemental Magic Materia.

Biora:

• MP Cost: N/A
• Target Type: N/A
• Materia Generation System: Dark Green
• Level 1 - Default - Base Damage: N/A

Final Fantasy Tactics

Biora is a exclusive enemy spell that can be casted by Cúchulainn and by the Reaver enemies.