It’s revealed that Gennō’s final "attack" was actually a harmless scavenger hunt because Naruto reminded him of his late son. 👁️ Boruto: "Empty Tears "
Naruto pursues the master trap-maker Gennō to the mountains behind Konoha. Naruto Episode 201
While Naruto sleeps, Kurama appears to Kawaki to explain Naruto’s tragic past and why he is so empathetic. It’s revealed that Gennō’s final "attack" was actually