Literal: to return to one's former legal rights, privileges, jurisdiction, or customary authority.
2.
All Spanish-speaking regionscolloquialneutral
Figurative: to reassert one's authority, dignity, or customary behaviour; to resume the confident or dominant attitude one had before being challenged or diminished.
Examples:
ES: nunca en mi puta vida lo habia visto tan orgulloso sabías que iba a volver por sus fueros.
EN: I fucking never saw him so proud. You knew he was going to go back to his regular shitty self.