A young dwarf - Yogscast Fan Art (Digital)

"A lone dwarf stands in a dimly lit hallway, in front of awaits the legacy of his ancestors, his family, his brethren. What will he find, will there be anyone left? There is only one way to find out." 

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Finally finished the digital version of my fan art for the yogscast song "Diggy Diggy Hole", it immediately became my favourite song of theirs and I just had to draw some fan art. The original traditionally drawn version can be found here <da:thumb id="467651166"> . I had a lot of delays on the digital version because of school starting up, going on vacation to a place where I couldn't bring my good PC and outright laziness. 

Please check out my tumblr too if you are interested in more art and is interested in the progress I go through making some of the art I post 
lavalotart.tumblr.com/

And here is my personal tumblr where I reblog random stuff lavalot.tumblr.com/

I would like some critique and maybe tips going forward, I am not as skilled at digital art as I would like to be and that can be apparent by some of the mistakes and shortcuts I had to do to make stuff look ok in this picture. 

Here is the video which this is a fan art of for those who have not seen it www.youtube.com/watch?v=ytWz0q… I used it as reference, though as apparent I took a lot of creative freedom with this piece. Though I would like to consider this my best digital artwork to date. 

This drawing was done first as a sketch/drawing on paper than taken over in photoshop where all the digital work was done. 

This is also the first time in a while I delve into perspective drawing, so don't be too harsh as I rarely try to do this kind of drawing and was trying to move out of my comfort zone a bit so I can work on becoming a better artist.