Osmoga (アスピガ, Asupiga?, lit. Aspiga) is a spell in Crisis Core -Final Fantasy VII-. It is the upgraded version of Osmose, which allows the user to drain even more MP from one target. It costs no MP to use and is a Rank 6 Magic Materia. It can be obtained as the reward for completing mission 3-3-3-, stolen from G Baldor, or found during missions 9-1-5, 9-5-4, and 9-6-1.