Complex sentence: Groose is a bully from the Knights'Academy in', initially jealous of Link's relationship with Zelda, and often acts in a hostile manner towards Link, which is shown to be a constant source of exasperation for Zelda.
Split into simpler sentences: Groose is a bully from the Knights'Academy in', jealous of Link's relationship with Zelda. He often acts in a hostile manner towards Link, which is shown to be a constant source of exasperation for Zelda.