Rendering Order

Rendering Order is important for those transparent objects. Error order will cause graphic artifacts like shown in below image:

Graphic artifacts caused by error rendering order for transparent objects; notice the blue border of the aquatic.
To indicate a material is transparent, you should check "Transparence" in D3D Effect group of Material Panel. And if a effect (billboard, particles) is not transparent, you should check "Opaque" in corresponding panel.
In Awakening, the rendering order for all content of scene is:
1. Background Image
2. Background Overlays
3. Opaque Surfaces
4. Static Meshs
5. Mobiles (include skin meshs)
5. Transparent Surfaces
7. Effects
8. Overlays
9. Script Render3D
[ Blurring… ]
10. Script Render2D