Viper Slash

 is a Swashbuckler attack and debuffing skill.

Overview
Viper Slash is an attack skill that targets the tendons in the enemy's arms. Upon landing, the attack lowers the target's accuracy for several dozen seconds.

Used In

 * Nyanta vs. Demiqas

Trivia

 * An early, popular fan translation of the light novels called this skill "Snake Bites," as it worked off the official Taiwanese localization and not the Japanese novels (where it is unambiguously "Viper Slash").