Prospero studied magic before he shipwrecked on the island, and it was his preoccupation with such studies that diverted his attention from his duties so that his treacherous brother Antonio could usurp the throne. His councillor Gonzalo ensures that some books of magic come with Prospero on the leaky vessel in which Prospero and Miranda are set out to sea, which allows him to continue to study sorcery on the island.
On the island, Prospero is able to harness the powers of the sprite Ariel when he frees him from the cloven pine. Magic helps him control both Caliban and Ariel and enables him to make himself king of his tiny realm.
Prospero is able to divert the ship carrying his enemies, such as Antonio and Alonso (the king of Naples, who worked with Antonio to seize his throne), to the island. At this point, his use of magic becomes ever more laden with emotion. He sees an opportunity to use magic to orchestrate Miranda and Ferdinand falling in love, but even more so, he sees the chance,...
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