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Eisen slowly opened his eyes and looked around himself, soon seeing that everyone seemed to still be asleep, although the Monster Children woke up pretty soon at the very least. And so, Eisen simply left behind a note telling the Half-Dragons and Eisen's apprentices where he was going.
He really should use the time he had in the best possible way. And that 'best possible way' was something that required a little privacy. There was a reason why he was given Marcear's gift, it was supposed to be an ability strong enough to be of help in a war against Evil Dragons, so he figured he should make use of it in the best way that he could.