1. Deadly Mushrooms: Naruto and his team consume poisonous mushrooms called "Kinchumoku" in the Land of Lightning, unknowingly transforming their powers. Naruto's Rasengan becomes a Mushroom Rasengan, and Kai's martial arts turn into Mushroom Whirlwind.
2. Bug Cuisine in Mokuton Mountain: Due to the side effects of the mushrooms, Naruto turns to eating frogs for a solution. However, a summoning frog appears much larger than expected.
3. Life Curry: Mountain Granny's Life Curry is a terrifying yet powerful concoction made from peppers and mustard seeds. Naruto and his friends, except for Sakura, try this curry. Naruto is fed a spoonful during a battle, enabling him to utilize fire techniques, but the pain is excruciating.
4. Itachi's Crow: Itachi entrusts Sasuke to Naruto by placing a crow with the Sharingan into his mouth, hoping to change Sasuke's mindset if he ever attacks the Leaf Village. However, the crow's power awakens within Naruto unexpectedly, leading to unforeseen consequences and psychological trauma.
5. Toad Gama: Naruto swallows the scroll toad known as Gama, holding the key to Minato Namikaze's sealing technique for Kurama. Naruto unlocks the seal during his battle against Pain, a significant turning point in his journey.