A red-to-black gradient background featuring a matte black heart in the upper left corner and another in the lower right, illuminated by dynamic lighting to enhance the intricate and complex gothic patterns. Artstation Unreal Engine 5 color trends highlight the deep hues and detailed matte painting, incorporating rich, complementary colors. The fantasy concept art boasts intricate details and splashes of color, creating a deviantart-worthy gothic masterpiece in 8k resolution, with subtle modifications to enhance depth and texture, embodying a striking interplay of vibrant and dark elements.