When was the powerscaling of the series messed up?

Was it when they showed the flashbacks and powers of Hashirama and Madara (who are basically demigods)?

Introduction of the Rinnegan and Pain destroying Konoha with 1 jutsu?

Or the appearance of the perfect Susanoo?

Was it when they showed the flashbacks and powers of Hashirama and Madara (who are basically demigods)?

Introduction of the Rinnegan and Pain destroying Konoha with 1 jutsu?

Or the appearance of the perfect Susanoo?