千金散盡還復來

Clear all quests in the Aurum Alley event and you'll naturally obtain this achievement.

Quote from the poem 將進酒 (lit. Bring in the Wine) by Tang dynasty poet Li Bai: 天生我才必有用，千金散尽还复来。(lit. Heaven gave us talents, we’re not made in vain; A thousand gold coins spent, more will turn up again.) - Credit: Necrosyrtes