Itachi and Sasuke are trying to beat Kabuto, the caster of an awesome magical spell (or you can say jutsu). Kabuto has a power level of N. The fight between them is quite weird. There’s a bag with some potions that contain power. There are exactly N potions in the bag and the i’th potion has a power level of i (i starts from 1).
This is a companion discussion topic for the original entry at https://toph.co/p/omae-wa-mou-shindeiru