From my first impression I was though Naruto used Technology Ninja for releasing Ninjutsu from the Earth Element : Earth Style Wall. But actually he just wearing prohestic arm made by Katasuke that has modified for absorbing jutsu and neutral it. The seal that Naruto make is a proof he use Ninjutsu to released Earth Style Wall Jutsu.
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#BorutoNarutoNextGenerations manga chapter 16