Shin's summons to the castle doesn't go exactly as he thought it would when the princess challenges him to a duel. Then when the aftermath of their fight goes horribly awry, it's up to Schnee to investigate. 
Mind-affecting skills are taboo.
.مهارات السّيطرة على الآخرين محذورة
Skills vom Typ psychische Interferenzen
unterliegen einem Tabu.
Las técnicas para controlar la mente
están prohibidas.
Las técnicas para controlar la mente
están prohibidas.
Les compétences de contrôle mental
sont taboues.
Le abilità di interferenza 
mentale sono considerate tabù.
Habilidades que afetam a mente são tabu.
Но контроль разума запрещён.