a while ago I saw a very cool artwork by Javier Burgos and really liked it ( check his great artwork https://www.artstation.com/artist/javas ) I was thinking about practicing to sculpt with symmetry off and from a sphere(Groot) , zsphere (Rocket) (I don`t do this as much in my daily work) and also learn about ddo then take it all the way to be a realtime modelsculpted and modeling zbrush and max , rendered in marmoset toolbag , used DDo and substance designer for texturing
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thought of sharing this updated version and steps of groot 
…you’re making me all jelly with how good you are getting bro