meanwhile in FMA
Humankind cannot gain anything without first giving something in return. To obtain, something of equal value must be lost. That is alchemy's first law of Equivalent Exchange. In those days, we really believed that to be the world's one, and only, truth.

Bro recited the constitution 💀

KIMI NO TE DE KIRISAITE, TOOI HI NO KIOKU WO, KANASHIMI NO IKI NO NE WO TOMETEKURE YO, SAA AI NI KOGARETA MUNE WO TSURANUKE!!

No wonder Naruto and Sasuke never died, they didn't want to give the fans more proof