TRY TO CAPTURE THE CROWN BY ELIMINATING THE SENTRIES AND THE GUARDS WITH 3 BOSS GUARDS WHICH EACH BOSS GUARD WILL HAVE KEYCARD FOR EACH VAULT, AFTER ELIMINATING THE FIRST BOSS GUARD IT WILL DROP THE FIRST KEYCARD FOR THE FIRST VAULT, OPEN THE VAULT AND IT WILL SPAWN THE NEXT BOSS, AFTER YOU ELIMINATE THE ALL BOSSES YOU CAN LOOT THE LAST KEYCARD AND OPEN THE FINAL VAULT WHICH WILL HAVE THE TRESURE SECTOR THAT CONTAINS THE CROWN, WATCH THE TIMER AND FINISH BEFORE THE TIME RUNS OUT.