Combat Exp:: 97 Years (Despite being only 25 Yrs old)
Wisdom:: Allows him to adapt 相手's skills
Reflection:: 自分 endlessly ponders & gains wisdom
Growth:: Thus, 自分 learns from 相手, growing
Endless Cycle:: His path to Growth/Discovery is Endless
[Observation]: W/ unnering senses, 自分 observes & breaks down all of 相手's skills & their nuances
[Internalization]: W/ his accumulated wisdom, he ponders to himself & visualizes 相手's abilities as his own as the shape of his soul reflects 相手's essence, becoming a mirror of 相手
[Embodiment]: Finally, 自分 reflects 相手's abilities into his sword, replicating it perfectly & even improving upon it