3 skills match your filters.
Dance of Wrath
Three unblockable high-damage strikes in a row, with kills able to Terrify enemies. Uses 3 Resolve.
Heavenly Strike
A lightning-fast unblockable slash that does extra damage to Staggered enemies; kills may Terrify those nearby. Uses 1 Resolve.
Way of the Flame
Coat the katana in Incendiary Oil and set it alight, making your attacks unblockable and burning enemies; kills may Terrify.