drew struzan-style poster for a fun live-action action/adventure/comedy/sci-fi/fantasy Star Wars movie called "The Adventures of Master Rob" featuring a 30-year-old debonair, witty, sarcastic human male cunning mastermind Sith Lord (with short brown hair, confident commanding hazel eyes, ornate dark green robes, and wielding a jade green ancient Sith sword with neon green glowing runes on the blade) with the space background featuring glimpses of various allies, enemies, adventures, and locations, including a futuristic green-lit ancient Sith castle on a stormy rocky planet --ar 2:3  --p r3adrti