When I press this button, you will turn into a mindless robot 💜 (Hypnotic Hyphae) [digital] [comic] [robot girl] [free use] [at your command] [mind control] [brainwashed]
Aura hypnosis ability is based on mana, she just compares her mana power to her opponent, and the weaker one loses all free will. Frieren is one of the most powerful wizard in the world... so she got cocky, but she didn't know Aura had another ability: