This is a creature I made as a texturing and sculpting practice. Creating this creature help me familiarise with ZBrush and Substance Painter tools and workflows. 

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Things that I learnt;

-  How to create complex surfaces using masks and noise tools (Zbrush's 'Surface' tool came in handy)

- The importance of decimating a model before passing it to Maya, as it runs poorly without this procedure.

- Curvature maps are great for colouring bumpy surfaces using the 'colour selection' mask in Substance Painter.

- Ambient Occlusion maps are good for adding lighter/ darker surfaces.

- Some geometry looks better as normal data than actually retopologised. In this case, the tentacle 'suckers' from the high poly looked better when the geometry was baked to the low poly without low poly suckers.

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And that's pretty much it! On a side note, I did plan to animate this model, but after playing around with leg IK's it appeared that this model wouldn't be ideal due to it's shape. I believe an octopod with it's legs straight out would animate well and look much better.