Board Thread:Theories and Speculation/@comment-45444155-20200927220624/@comment-45444155-20200928062927

However, neither the manga nor the TSB description in the handbook mentions natural energy. As far as I can see, the balloons automatically appear in the SPS users. The user does not create them, but, let's say, 'calls' them.

So the SPS has also blossomed in Sasuke? Where is its TSB?