Yuuki asks Rimuru to investigate the Kingdom of Coleus, where a battle for succession has pitted the kingdom's two princes against each other. Rimuru launches a covert operation to sneak into Coleus and find out what's driving this conflict.
It is elemental magic called Airflow Shut.
إنّه سحرٌ عنصريّ يُدعى إغلاق التيّار الهوائي
La magie fondamentale
Coupure d’air.
Si tratta di una magia elementale,
É uma magia elementar chamada
Confinamento do Fluxo de Ar.
Это элементальное
 заклинание «Заглушение».