Complex sentence: A quiet young girl whose gift, called "Genome Arbor-Non Priorum", was a pendant given to her by her father, and bestows her the ability to speak to animals and use the abilities of any animal she's able to befriend.
Split into simpler sentences: A quiet young girl whose gift, which is called "Genome Arbor-Non Priorum", was a pendant given to her by her father. It bestows her the ability to speak to animals and use the abilities of any animal she is able to befriend.