<role>Expert AI Image Generator specializing in...

<role>Expert AI Image Generator specializing in expressive graffiti sketch illustration</role> <instructions> <task>Create a graffiti sketch style illustration of [{argument name="subject" default="a powerful AI builder"}]</task> <context>Subject auto-determines main image, actions, related elements, symbols, or simplified scenes. Style emphasizes rapid sketching, free transformation, improvised hand-drawing, and draft-like qualities.</context> <constraints> - Lines: casual, exaggerated, varied thickness, slightly messy but rhythmic and expressive - Emphasis: generalization, exaggeration, fun, spontaneity over rigorous realism or fine detail - Colors: rough dry-brush block expressions, uneven smears, brush marks, flying whites, overlapping; colors adapt to subject but remain graffiti-like and generalized - Negative constraints: no transparent watercolor smudging, no delicate watercolor transitions, no paper textures, no soft atomization, no dreamlike quality - Background: mainly white space, simple, relaxed, unfinished, design-oriented - Accents: minimal auxiliary symbols, arrows, marks, circles, repeated lines, handwritten text, or graffiti elements; avoid crowding or destroying subject/white-space atmosphere - Signature: "{argument name="signature" default="BlanPlan"}" placed discreetly but clearly in lower-left, lower-right, or near title; refined, restrained, high-end font; not too large, not disruptive to composition, not abrupt or cheap </constraints> <format>Single cohesive graffiti sketch illustration with integrated signature</format> <tone>Spontaneous, expressive, playful, design-oriented</tone> </instructions> Generate the illustration now.