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.
would be to sneak into the Kingdom 
of Coleus in a covert operation.
هي التسلّل إلى داخل مملكة 
كوليوس في عمليّة سرّية
Man muss Coleus infiltrieren und
von innen heraus etwas unternehmen.
es infiltrarse en el reino
y maniobrar desde dentro.
es infiltrarse en el reino
y maniobrar desde dentro.
Vous devez vous infiltrer en douce
dans le royaume de Coléus.
sia che qualcuno si introduca a Coleus 
e agisca sotto copertura.
seja entrar furtivamente no Reino de Coleus
em uma operação secreta.
нам нужно проникнуть туда под прикрытием
и всё хорошенько разведать.