This creature here is a Dagwanoenyent or to make it easier a flying head. Coming from Iroquouis and feared amongst this who know of them. He is said to terrorize people to the point of no return. Once he gets to you there is no returning who you "once were". He is meant to bring upon some of the most disturbing curses. He also hungry draining a persona physically and mentally. He is able to heal also but can revive the dead. This is one of the top most feared creatures and most won't even speak of them in fear of them appearing.
This is a Preta creature that is considered a hungry ghost/demon. They are filled with greed and corruption. Because of this they bring people their karma that's well deserved. They block ok desires a person wishes to have (your target). A Preta will mess extremely with a person's psychological state of mind. Depending on what your targets obsession is determined what will be taken away from them. An example is if it's magic, their powers will be dissembled, money they will become poor. Being the Preta is stuck in hell they will make sure their target goes to hell with them.