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Osmose Blade in Final Fantasy V (GBA).

Osmose Blade (アスピル剣, Asupiru Ken?, lit. Aspir Sword), also known as Osmose Sword, Syphon, Aspir, Osmotic Slash, or simply Osmose or Psych, is a recurring ability in the series. It allows the user to drain the target's MP without damaging them and usually requires the Osmose spell in order to use it.

Appearances[edit | edit source]

Final Fantasy V[edit | edit source]

Osmose is a level 6 Spellblade ability that costs 15 MP to cast.

Crisis Core -Final Fantasy VII-[edit | edit source]

Osmose Blade is a rank 3 Command Materia that costs 2 AP to use. It can be obtained as a reward for completing Mission 5-2-6. Another version called Power Osmose exists as a rank 6 Command Materia that costs 6 AP to use, and deals significantly more damage than Osmose Blade. Power Osmose can only be obtained through Materia Fusion.

Bravely Default[edit | edit source]

Aspir is a level 4 Sword Magic spell. It imbues a weapon with an MP absorb effect for ten turns. Attacks with this weapon will absorb MP from the target. It costs 1 MP to use. It can be bought in Starkfort for 1600 pg.

Final Fantasy Dimensions[edit | edit source]

Osmotic Slash is an ability of the Magic Sword skillset, usable by the Red Mage class. It costs 10 MP to use.

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Pictlogica Final Fantasy[edit | edit source]

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Final Fantasy Brave Exvius[edit | edit source]

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Gallery[edit | edit source]

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Etymology[edit | edit source]

Osmosis is the spontaneous net movement of solvent molecules through a semi-permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides. It may also be used to describe a physical process in which any solvent moves across a semipermeable membrane (permeable to the solvent, but not the solute) separating two solutions of different concentrations.

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