The rhetorical tag ~じゃないか, 'isn't it X! / X, isn't it?' Assertive colloquial tag used to highlight or reaffirm a claim — sometimes scolding or excited.
2 sentences
？、、！・・・。
Whoa?! This character's studying ability, athletic skills — all stats are maxed out! And on top of that, their money is saved up to the point of capping... amazing.