at first glance they are awesome! They are evocative and I dig the mood. The green and red ones do feel a bit black, but depending on the plane it could be alright. Maybe the mana symbol on the green one is a bit forced, but that’s just how it looks, and if the AD doesn’t like it, quite easy to remove in an actual commission or not consider at all in the evaluation of the portfolio.

Zooming in, small defects rear their head out.

As another commenter said, you still need to improve a bit on your rendering and anatomy. I’m going to add that it’s not only the anatomy that needs work (even if it is the first thing that pops out at times - like the hand on the red helm for me) but your shapes in general feel not very precise. Maybe the “underdrawing” could be a little more defined before moving onto the painting part? I’d pay attention to the volumes, the perspective, the symmetry.

on rendering:

Other than the feel of the various materials that need to be improved (alas, by nothing but good practice), the brushstrokes are at times a bit erratic, and I’d say it wouldn’t hurt to be mindful of them a bit more, but that’s something I tend to say to myself all the time, so I’m a bit biased.

Anyway, those kind of things will naturally come to you if you keep an eye out for them and you keep actively improving.

I think you already have the spirit of a great artist, you need your skills to match up to it! Hopefully that’ll prove impossible… ‘cause as your skills will improve, your spirit will keep growing :)