Yell Gun is Asuka and Daidōji's Secret Fusion Ninja Art in Senran Kagura 2: Deep Crimson. It requires at least 3 ninja art energy scrolls from both of them to use. Like all Secret Fusion Ninja Arts, its power increases with the characters' mutual Affection.
Overview[]
Asuka and Daidoji shout out a wave of pure fighting spirit, creating a blast of energy that strikes down anyone in their way.