Kas, your forms have a lot of motion to them, so good job so far. I think it partly has to do with how little your lines seem to break. (even when they're different segments) That combined with the various camera angles you chose.



Let's give Day 2 a try...

In a game engine, using parallax layers on them would give the appearance of depth without having to use shadows.

The shadows definitely help add depth, but the placement of them makes the clouds look too low. Even if the distance is stylized, they look like they're forty feet off of the ground instead of hundreds or thousands.



There are also moments where the shadows contradict the depth of your other objects, like this waterfall. The face that should be vertical looks flat because of the cloud's shadow.

Objects with noticeable edges or seams are affected by light in a fairly straightforward manner. Forms facing towards the light source are lit, forms facing away from the light source are in shade. This applies to the holes, too. I would suggest giving the holes beveled edges so the light hits them more clearly.

Other than that, yeah - choose a light source and have the near face be lit, and the opposite face be darker. Highlight the edge so the seam is visible.

The biggest thing I kept in mind while editing was seeing how the light cast upon her face. In the original picture, look at the subtleties of where the darks and lights are on her eye socket - the darkest bit is just by her nosebridge, and then there's some more minor darks to lift up her bottom eyelid. The rest of the edits dealt with anatomy and spatial stuff.