Mullin visits the Pandemonium Library along with Azazel and runs into the sleepy bookworm, Dantalion, as well as the ancient demon, Moloch, who always tends to talk in a loud voice. Later, Belphegor​ wants to come up with an excuse to talk to Azazel, so she starts making brownies with Beelzebub.
Dantalion-san, just how old—
—دانتاليون-سان، كم عمر
Ähm, Dantalion, wie al…
Dantalion, ¿cuántos añ…?
Dantalion, ¿cuántos añ…?
Dantalion, quel âge…
Dantalion, se posso, quanti anni—
P-Por acaso, Dantalion-san, quantos anos—
Э, Данталион, а сколько ва...