Magara Takamoto served as a bushō during the Sengoku period. He was a retainer of the Asakura clan of Echizen Province.
When Ashikaga Yoshiaki (the fifteenth and final shōgun of the Muromachi bakufu) arrived at the main base of the Asakura clan at Ichijōdani in Echizen seeking the protection of Asakura Yoshikage (a sengoku daimyō and the eleventh and final head of the Asakura clan), Takamoto displayed his physical prowess in front of Yoshiaki by hurling large black egg-shaped boulders into the air dozens of times.
In the sixth month of 1570, Takamoto, along with his father and uncle, fought valiantly against the allied forces of the Oda and Tokugawa at the Battle of Anegawa. Upon learning of the death in battle of his father, he returned to the battlefield to make sure of the news, but, instead, was slayed. After the demise of the Asakura clan, a letter from Niwa Nagahide dated in 1583 addressed to Magara Kasuke recognizes the rights to his fief, so, it can be surmised that some members of the family survived after the Battle of Anegawa.