Before diving in again in the depth of the Maya shading networks for the Project 2 of Maya Fundamentals, I had to make another shader just to get used to the Hypershade again.
With a quick Google search, I found a very cool, and not too hard, shader tutorial: A Lava Shader.
This was a great exercice to get back into the groove and learn a thing or two. Here's the result.
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The brick shader is a downloaded shader just for the scene. The tutorial can be found here.