For the remaining five years, Itsuke wants to cultivate the body in perfect condition, so he wants to stimulate the mental powers and improvements of soul power techniques and Itsuke also creates wood based techniques by imitating wood based plants and Itsuke also creates artificial soul rings.
In the process of cultivating mental methods, Itsuke face several difficulties as creating mental power techniques starts from scratch and slowly improved the methods power method by reasearch on mental power related soul beast thus creating mental power method techniques to cultivate from scratch and slow by slow improving the mental power.
Itsuke also cultivated wood based techniques because it can improvement of healing techniques and creating daily vessels or other using wood techniques like construction of houses using wood and wood techniques also used for defense and wood based techniques also used for farming to increase its growth and shortage of time.
Itsuke also created artificial soul rings based on blood on soulbeast and it's compatibility with soul master.
Artificial soul rings are created in from of soul of soulbeast cultivates with soulmaster and benefits together and fight together and these artificial soul rings are of two types one is master - servant relationship and other one is equal relationship.