Jack Rakan

Jack Rakan Jacobus Racan on his pactio card as the k in his family name is replaced with a c as is standard on all pactio cards also known as Rakan of the Thousand Swords is the large darkskinned member of Nagis group. He appears to be a powerful fighter demonstrating incredibly destructive attacks with relative ease. His Pactio item is a blade that can transform into in his words any shape imaginable and can also take the form of a giant sword falling from the sky for an immensely powerful strike. He also demonstrated the ability to emit a highpowered laser from his body at a whim. Rakan initially encounters Negi in his older disguise in the Magical World witnessing his battles in the tournaments to raise money to free some of his students. Seeing him without a special ultimate technique he offers Negi to teach him one for a huge fee. However after the two of them are attacked by a shadowmanipulator who wants revenge on Nagi Rakan is forced to save Negis life for free as well as decides to become his teacher without the fee. Rakan then teaches Negi a technique called Magia Erebea a forbidden technique created by Evangeline A.K. McDowell. Source: Wikipedia