Wise Man Fabius in Juno has lost three of his scholarly references — they were carried off by three of his former students scattered across the towns of Midgard. Gather all three items, return them to the sage, and he will teach you the language of the Umbala people. Knowing it lets you talk with Umbalians and take part in their quests. This is an alternative way to learn Umbalian without travelling to Umbala village itself.
Wise Man Fabius in Juno (yuno 157,366). He explains that his three students — 
Marie, 
Mason and 
Mojo — ran off with his references to different towns, and asks you to get them back.Mason in Prontera (prontera 145,290). He is looking for an old lady who removes cards from slots; tell him to look near the Armory and, as thanks, he hands you the 
Torn Magic Book.
Poring Egg and a 
Pet Incubator (buy them from a Pet Groomer / the player market).Marie in Amatsu (amatsu 267,189). Say her teacher sent you and give her the Poring Egg and Pet Incubator — she returns the 
Torn Scroll.
Old Magicbook: the student Mojo in Al De Baran (aldebaran 153,212) complains that the Bathory took his book, so hunt Old Magicbook from those monsters.Torn Magic Book, Torn Scroll, Old Magicbook). He takes them and teaches you the Umbala language.