Avaritia's obsession with having it all started with Gold. He started gathering it and refused to share with anyone else. But then his craze moved to more serious things, like stealing Life. Now he's dangerous to be around.
Design inspired by one of the Seven Deadly Sins, greed (sometimes called avarice) and by the character Gollum from the movie and book franchise Lord of the Rings, known for referring to the One Ring as "my precious".