In the latest chapter we have Tobirama saying he will send his spirit to dying Sasuke to help him out:
Remember Dan did the same thing during the Edo Tensei Release to go and try and find Tsunade:
After finding Tsunade with his Kinjutsu he was able to heal Tsunade:
With this information we can conclude that Tobirama was going to use his spirit to try and heal Sasuke meaning Tobirama is the inventor of Dan's Jutsu making his jutsu invention to
Kage Bunshin
Edo Tensei
FTG
Spirit jutsu
Thoughts?
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Remember Dan did the same thing during the Edo Tensei Release to go and try and find Tsunade:
You must be registered for see images
After finding Tsunade with his Kinjutsu he was able to heal Tsunade:
You must be registered for see images
With this information we can conclude that Tobirama was going to use his spirit to try and heal Sasuke meaning Tobirama is the inventor of Dan's Jutsu making his jutsu invention to
Kage Bunshin
Edo Tensei
FTG
Spirit jutsu
Thoughts?