A highly detailed, colorful digital painting of a stained glass window featuring Baby Groot, rendered in a glowing Gothic cathedral style. The artwork is intricately designed, backlit to emphasize its radiant colors, reminiscent of religious iconography. This concept art merges the surreal and imaginative styles of Clive Barker, H.R. Giger, and Brom, creating a fantastical scene that seems to pulse with life. The stained glass reflects an ethereal glow, casting vibrant patterns, making it a visually captivating piece that would trend on Artstation.