Complex sentence: Using the newfound power of magic, Oliver and Drippy venture into Ni no Kuni, where Oliver befriends Esther, Swaine, and other alternative versions of people (and animals) he knows.
Split into simpler sentences: Using the newfound power of magic, Oliver and Drippy venture into Ni no Kuni. There, he befriends Esther, Swaine, and other alternative versions of people (and animals) he knows.