Memory manipulation

Pettiness aside, Rui truly wanted to see everything the Hypnomaster had to offer. There were nuances that could be shown and not conveyed, furthermore, with how terrible Master Zeamer's explanations were, Rui did not trust him with accurate explanations of what was really happening.

"Alright then, let's begin," Master Zeamer stated. "Take a good look."

He stared at Ieyasu in the eyes while preparing a strike, much to Rui's surprise. The two Martial Seniors stiffened as a powerful Master-level wave of pressure crashed into them.

SNAP!

Ieyasu's eyes widened as a snapping sound reverberated in his ears all of a sudden overwhelming his auditory nerves painfully, drawing his attention for a moment. That was enough. Rui watched as the Hypnomaster's body moved in a way that seemed to speak to Ieyasu.

Listen to me, it told him.

The man's alertness and sharpness declined until his eyes became vacant.