the die is cast

phrase1

1. •
   A conclusive action has been taken, so events will proceed in an irreversible manner; the point of no return has been passed; the future is determined; there are no more options.

   • Is the die cast, must / At this one throvv all thou hast gaind be lost? / The VVorlds a Lott'ry; He that dravves may vvin: / VVho nothing ventur's, looks for nothing;[…] — 1634