Create a vibrant, psychedelic digital artwork featuring an armored celtic warrior holding a rifle amidst cosmic data streams.  Bioluminescent Binary code flows around the warrior and glows in their red eyes. Inspired by Sun Tzu's The Art of War and in the style of Vixsin, with intricate illusions and hyperrealism. Incorporate surreal electroluminescent optical illusions, hidden Celtic symbols, and detailed brushwork. Use vibrant neon colors and expertly blended images. In the style of Octavio Ocampo, Oleg Shuplyak, and Enki Bilal. Highlight intense lighting effects, dynamic composition, and a neon color palette. Include a futuristic mountain scape in the distance, with cosmic patterns resembling Celtic symbols.