斬鉄剣返し [zantetsuken kaeshi] or 'return zantetsuken' in Japanese.
Final Fantasy VIII
This ability was present FF8, and was performed by Seifer Almasy. He cut through Odin and accidentally released Gilgamesh in the process. The ability wasn't named in the English version aside from the Japanese name flashing on the screen.
Airborne Brigade

SSR+
Type: STR, Element: -, Growth: Slow, Cost: 43
Attack: 17,210 (lv1), 53,752 (lv200), ? (lv230), ? (lv260), ? (lv290), ? (lv320)
Defense: 17,210 (lv1), 53,025 (lv200), ? (lv230), ? (lv260), ? (lv290), ? (lv320)
Obtain: ?
SSR
Type: STR, Element: -, Growth: Slow, Cost: 35
Attack: 12,950 (lv1), 41,311 (lv200), ? (lv220), ? (lv240), ? (lv260), ? (lv280)
Defense: 13,300 (lv1), 41,783 (lv200), ? (lv220), ? (lv240), ? (lv260), ? (lv280)
Obtain: ?
Record Keeper

Type: Soul Break, Rarity: -
Target: all enemies/all allies, Element: -, Gauge cost: 1 bar
Learn: Seifer (equip Revolver A (VIII))
Effect: Deals a strong threefold physical attack on all enemies. Inflicts Death with a high probability. Raises the DEF of all allies for a set period of time (effect: moderate)
Category: Ability