xiū​chéng​zhèng​guǒ

attain Buddhahood

修成正果 xiū​chéng​zhèng​guǒ
attain Buddhahood
To achieve Buddhahood or spiritual enlightenment through one's dedicated efforts and insight.
come to fruition
To obtain a positive outcome or successful result after sustained efforts, often referring to relationships or long-term projects.

Sources

Definitions
CC-CEDICT