Mark 14:47
Then one of those standing near drew his sword and struck the servant of the high priest, cutting off his ear — the swordfighter (identified in John 18:10 as Peter) strikes the high priest's servant and cuts off his ear. Mark does not identify the swordfighter or the servant; John names both (Peter and Malchus). The violence is reflexive and ineffective — it does not prevent the arrest and it violates the principle Jesus is enacting. Luke 22:51 records Jesus healing the ear.