Reverse Delta

Reverse Delta (高速ナブラ) is a recurring Axe Art.

高速ナブラ translates to "High Speed Nabla".

Romancing SaGa 2

 * Appears as Reverse Delta, an Axe Art.

Romancing SaGa 3

 * Appears as Reverse Delta, an Art usable in Commander Mode. In the fan translation, it was called High Speed.

SaGa Frontier 2

 * Appears as Flash Trinity, an Axe Art.

Unlimited: SaGa

 * Appears as Reverse Delta, an Axe Art in the Time Lapse line.

Romancing SaGa Minstrel Song

 * Appears as Reverse Delta, a Hand Axe Art.

SaGa Scarlet Grace

 * Appears as Reverse Delta, an Axe Art.

Romancing SaGa Re;univerSe

 * S[定めじゃ…]アウナス、 SS[バックパックが重いわ]エレン など

SaGa THE STAGE: Return of the Seven Heroes

 * Appears as 高速ナブラ, used by Kelut in Act 2 of the play.