Concept Artwork for Fantasy Game

Tranquility Games is creating a new fantasy Action RPG Multiplayer game and we need concept artwork for marketing purposes. All images must be semi-realistic representations of a fantasy world and creatures and be presented in high resolution. Images need to be professional, clear, and easily identifiable as to what they represent. They must be colorful, creative, and exciting. Artwork must be unique to this project and may not be used for other commercial purposes (putting in your portfolio is fine). If the work returned is high quality, there is potential for 9 other images through future contracts. Requested Concept Image: Castle Siege - This image should depict a battle with goblin or orc (your interpretation) creatures laying siege to a castle town. Some creatures should be climbing walls. Some should be utilizing flashy magic to assault defenders on the walls. Defenders should be fighting the creatures on the top of the walls. The walls should have damage. There should be dead creatures and defenders in the picture. Basic seige equipment must be present (such as a battering ram attempting to break down the city gates).