The orange is refreshing for the always red Khorne. Excellent painting, and the blue swords provide an excellent contrast
the base though doesn't have it enough imo.
Its too concrete to be lava and too gooy to be ground. I understand it can be chaotic ground and thus unbound to normal basing rules, but its not convincing enough. It is admirable that you did it yourself and it does have a special effect. Next time I would push it further