Satan was cast out at the cross

31 Now is the judgment of this world; now the ruler of this world will be cast out. 

32 And I, if I am lifted up from the earth, will draw all peoples to Myself.”

• Jesus spoke above verses, when Jesus was going to be crucified.
• At the cross the satan was cast out.
• “Having disarmed” : Past Tense ( Already disarmed at the cross )