Infinite Gold Entry, Do You Call This the Most Useless Magic Weapon?

Qiying awakens the most useless F-level magic weapon - the card, but by killing monsters, he can continuously obtain entries and increase the power of the card. Even an S-level magic weapon can only gain one skill at a time through advancement; When Qi Ying's F-class magic weapon advanced once, he was already several steps ahead of others in terms of skills! Divine weapon flow + unlimited flow + invincibility + single female protagonist.