The final crushing of the serpent's head occurs after the end of the thousand years when Satan and his demons are hurled into "the lake of fire and sulphur."  -
Ukuchotshozwa kokugcina kwekhanda lenyoka kwenzeka ngemva kokuphela kweminyaka eyinkulungwane lapho uSathane namademoni akhe bephonswa "echibini lomlilo nesibabule." - IsAm.