"Adding" textures? I assume you mean creating them... Texture creation is an involved process where I go from baking the maps in Xnormal and Maya, to painting in Bodypaint and Photoshop. What's "better" is really up to you and what you're comfortable with. I'm in the process of making a video tutorial with more detail on my process so stay tuned for more info!
I love Crucia most out of all Rift lore and I have to say I love your design for her! It really captures her personality and drive. I especially love her head and wings. The eyes on her arms really go with her having 'eyes everywhere' because of the 'one mind' of her Storm Legion.
The actual Crucia design is by my coworker, Herman Ng. I just made the 3d model. But I'm glad you like it! The whole eye thing is present on a lot of the other boss characters as well although not always quite as literal.