Fanni, the famous fire mage in the Continent of Light. He was permanently exiled because he was framed. On the way to exile, he was injured in a plot and fell into the sea. He was saved by Botel, a Kuska man whom he regarded as a pariah. Thus begins a story of use and being used.
PS: The name may be changed, the first person is in the first person, and the attack and success are undecided.