[Progression] The Third Ledger of Ash

Everyone in Vael Academy is ranked by the mana they can spend. Corwin Ashworth is ranked by the mana he refuses to waste. When an audit error marks him as disposable, Corwin discovers that the empire's perfect certification system has a blind spot: efficiency can beat raw power if someone is patient enough to weaponize it. To survive school, debt, and noble heirs who think talent is property, he must turn bookkeeping into a progression path no one respects until it starts winning.