Extermination is an emergency quest that appears whenever malice or killing intent was directed at Sung Jin-Woo. This quest usually completes when the respective amount of entities counted in the quest has been killed. See Kill the Enemies
EMERGENCY QUEST: EXTERMINATION
THERE ARE 'PLAYERS' WHO HAVE KILLING INTENT TOWARDS YOU IN CLOSE PROXIMITY.
SLAY THEM AND ENSURE YOUR SAFETY.
IF THIS QUEST IS NOT COMPLETED, YOUR HEART WILL STOP.
NUMBER OF PLAYERS TO KILL: 1
NUMBER OF PLAYERS KILLED: 0