Combat power and system are poorly written.System rewards are rare and pitifully small like 0.2 attribute point and some scraps of navy six paths.It is better to focus on ninjutsu than system rewards
Mc says he can use nine swords of dugu to kill kaguya as a genin just because this is a chinese civilization's philosophical sword technique. Dumbass author.
Same as all chinese onepiece fanfic where mc makes wano country people including woman and children his slaves like the Tequila Wolf bridge kingdom in the east blue