Vertical Smash

Vertical Smash (かぶと割り) is a recurring Sword Art or Axe Art.

かぶと割り roughly translates to "helmet/head splitter".

SaGa Frontier 2

 * Appears as Head Cracker, a Sword Art.

Unlimited: SaGa

 * Appears as Noggin Knocker, a Sword Art in the Stardust and Blast lines.

Romancing SaGa Minstrel Song

 * Appears as Vertical Smash.

SaGa Scarlet Grace

 * Appears as Vertical Smash, an Axe Art.

Romancing SaGa Re;univerSe

 * Vertical Smash
 * A[You Don't Cut It] Sif
 * A[Never Given Chocolates] Aisha
 * etc