Bats are minor ghosts found in Luigi's Mansion and they often appear in groups. They also come in two colors, purple and gold and they hang on the ceiling, waiting to attack Luigi and they attack by swooping down at Luigi and if they attack Luigi, he will deal five HP damage and they will disappear. If they miss, then they fly back to the ceiling, waiting for their next target. Golden Bats are different by color and they only attack Luigi when he tries to suck them in with his Poltergust 3000. They can easily be sucked in by Luigi's Poltergust 3000 and Luigi doesn't need to use any effort to suck them in, seeing that they have no HP.