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Shin-Zantetsuken (真・斬鉄剣, Shin Zantetsuken?, lit. True Iron-Cutting Sword), also known as Shin-Zantetsu and True Edge, is a recurring ability in the series. It is generally an upgrade to the signature attack Zantetsuken, and generally has a much higher chance to inflict Instant Death to all enemies than Zantetsuken.
Shin-Zantetsu is an ability of the Bushido skillset that attempts to inflict Instant Death to all enemies instead of one enemy for the cost of 32 MP. It fails when an enemy is immune to the status ailment KO. It requires 100 AP to learn on the Samurai dressphere and requires Momentum to have been mastered. Learning the ability will unlock Zantetsu command on the Samurai. It can also be used via Lady Luck's Attack Reels by rolling three Red 7s.
Shin-Zantetsuken is Odin's final ability used during his encounter inside the Urth's Fount trial. Odin will begin to use Shin-Zantetsuken at around 15% HP or after 6 minutes have passed, and the party must defeat him before the ability finishes casting, or else it will inflict instant death to the entire party.
The Raiden card references Shin-Zantetsuken by Breaking two Forwards when played, acting as an upgrade to the effects of Odin's cards, which Break one Forward.
Non-Final Fantasy guest appearancesEdit
Kingdom Hearts seriesEdit
The Final Fantasy XIV incarnation of Odin uses Shin-Zantetsuken as its ultimate attack when its HP reaches around 15%. When it hits, it will defeat all currently active party members unless they time their invincibility frames to bypass it.
Shin-Zantetsuken involves a pun. 'Shin' could mean 'true' or 'new' meaning that an alternate name for Shin-Zantetsuken could read as "New Iron Cutting Sword" as an indicator of its upgraded form.