Steps

4. I had to redraw Eren, because the first one was not correct. His pose was difficult to figure how but I was able to get it.

5. I lined and did the base colors for the new Eren. The I continued to repaint other parts of this drawing.

6. After adding some effects and other finishing details, it's done!

Click here to see full drawing: LINK

I painted this mostly in Paint Tool Sai and Photoshop.