The power to have a sharp tail. Variation of Tail Manifestation and Natural Weaponry.
The user possesses a razor sharp tail that be use to impale others or it can be use to cut through objects.
Meruem (Hunter X Hunter) decapitates Peggy with a single swing of his tail.
The Ghost ÄRM, Ghost Tail allows Chimera (Marchen Awakens Romance) to create a sharp tail and slice her opponent.