Chief Petty Officer

Chief Petty Officer is a Level 120 Marine enemy in the First Sea, found at Marine Fortress in groups of eight with a 15-second spawn time. It has 2,300 HP, uses a sword, does not use Aura, and is the target of the Marine quest unlocked at level 120, which requires defeating 8 of them for 6,000 cash and 225,000 EXP.