Regular creatures but with unique abilities, like flare, or poison. These creatures can be tamed and will be more powerful than other creatures of its race. I think it would go really well with Sarzael's idea about DNA, And this idea about Evolution. http://community.playstarbound.com/index.php?threads/dna-mixer.465/ http://community.playstarbound.com/index.php?threads/evolution.2762/
