After returning to Ayabe, Ueshiba began a regimen of spiritual training, regularly retreating to the mountains or performing "misogi" in the Nachi Falls. As his prowess as a martial artist increased, his fame began to spread. He was challenged by many established martial artists, some of whom later became his students after being defeated by him. In the autumn of 1925 he was asked to give a demonstration of his art in Tokyo, at the behest of Admiral Isamu Takeshita; one of the spectators was Yamamoto Gonnohyōe, who requested that Ueshiba stay in the capital to instruct the Imperial Guard in his martial art. After a couple of weeks, however, Ueshiba took issue with several government officials who voiced concerns about his connections to Deguchi; he cancelled the training and returned to Ayabe.