The night before the Opening Festival, Rimuru throws a lavish banquet for all the nobles and royalty visiting Tempest. When the party is in full swing, Empress Elmesia of the Sorcerous Dynasty of Thalion arrives, throwing everyone into chaos.
I sincerely apologize 
for my delayed arrival.
أعتذر حقّاً عن وصولي المُتأخِّر
Ich bitte inständig, unsere
Verspätung zu entschuldigen.
Mi scuso sinceramente per il ritardo.
Peço sinceras desculpas pelo
atraso da nossa chegada.
Позвольте извиниться,
что прибыли позже обещанного.