This is one another hantu api or fire ghost which captured from the entrance of a house in the night. i don't really know about it but some time for Javanese people hantu api will always be scary. this is looked like a mystical power which usually send by paranormal to some one. It is a media which used by javanese paranormal to send a message. It can also as a hantu jin who being as a fire, then flying to go to their world.