The Wizard King summons Asta after his work dealing with the Eye of the Midnight Sun. Yami tells Asta he can come with him to the royal capital, since he has to go to a conference of all the Magic Knights Captains.
My name is Marx. I'm the Wizard King's advisor.
.اسمي ماركس. أنا مستشار إمبراطور السحر
Mein Name ist Marx.
Ich diene dem König der Magier.
Soy Marx.
Soy Marx.
Je suis Marx,
l’assistant de l’empereur.
Mi chiamo Marcus. 
Sono l'assistente dell'Imperatore Magico.
Meu nome é Marx.
Sou secretário do Rei Mago.
Меня зовут Маркус.