This image was created digitally (as a few have mentioned) however, that doesn't mean that the same sort of style can't be achieved with traditional mediums. I think what it comes down to in this case is which medium do you feel like you can handle skill-wise and money-wise at this point in time.
For example- you can create the same effects in oil paints, but it can be expensive, and much more time-consuming than dry mediums like pencils. For this, you'd need the oil paints, a variety of oil brushes, a few palette knives, and either turpentine or turpenoid just to get started.
You can also get similar effects in watercolor paint. For this, get a variety of watercolor brushes (do NOT use the same brushes as you use with oil paints, as the oil and water won't mix), the paints (tubes are great), and make sure the paper you use is specifically made to handle the buckling that happens with watercolor.
However, I think a question you can ask yourself if you just started a year ago is do you want to start painting, or do you enjoy dry mediums enough that it can wait until you're more advanced? You can make similar beautiful pieces with the mediums you have already used.
This was created with ballpoint pen.
This was created with pastels.
Not every artist is a painter, and not all beautiful artworks are paintings. In the interest of being well-rounded, painting is certainly a great step, and you can learn a lot doing it, but it's definitely an altogether different ball game than drawing. While the principles are the same, the techniques are completely different.