📝 Prompt Weighting Syntax (Leonardo / Stable Diffusion)
Unlike Midjourney, Leonardo uses parenthesis weighting to emphasize keywords:
(keyword:1.2) - Increases importance by 20%((keyword)) - Increases importance significantly (approx 1.1x per parenthesis)[keyword] - Decreases importance (negative weighting)Example:
concept art, (cyberpunk warrior:1.3), ((detailed armor:1.2)), [generic]
Concept Art Prompts for Leonardo AI
Professional concept art for games and films. Character designs, environment concepts, prop designs, and mood boards.
🛠️ Negative Prompt Formulator
Toggle common fixes to build your custom negative prompt string:
(click toggles above to build)
1. Character Concept Art
Cyberpunk Assassin Intermediate
character concept art, cyberpunk female assassin with neon blue cybernetic arm, (mirrored shades:1.2), leather jacket with LED strips, urban night background, multiple poses on one sheet, turn-around views, professional concept art, detailed costume design, ArtStation
(mirrored shades:1.2) adds iconic character detail.
Dark Fantasy Knight Beginner
character concept art, dark fantasy knight in ornate black armor, ((glowing red runes on chest plate:1.2)), tattered black cape, haunted ancient forest background, full body shot, detailed armor design, realistic metal texture, moody lighting, concept art style, 8K
((glowing red runes:1.2)) emphasizes magical element. "Ornate armor" and "tattered cape" add character history. Concept art style prompts professional presentation.
Scifi Mercenary Advanced
character concept art sheet, scifi mercenary in tactical exosuit, (energy shield on left arm:1.3), future rifle, alien desert planet background, front and back views, multiple expression studies, detailed gear and pouches, cinematic lighting, ArtStation trending
2. Environment Concept Art
Neon-Drenched Cyberpunk City Intermediate
environment concept art, neon-drenched cyberpunk city street at night, (rain-slicked pavement reflecting signs:1.3), flying vehicles between towering skyscrapers, holographic advertisements, crowded with futuristic citizens, moody purple and cyan lighting, wide establishing shot, Blade Runner vibe, 8K
Floating Magic Kingdom Beginner
environment concept art, floating magic kingdom in the clouds, massive waterfalls cascading off edges, ancient stone architecture with glowing blue crystals, ((golden hour sunlight:1.3)), winged creatures circling, dramatic scale, wide panoramic shot, fantasy landscape, detailed, 8K
((golden hour sunlight:1.3)) creates dramatic warm lighting on floating structures. "Wide panoramic shot" emphasizes scale. Glowing crystals add fantasy element.
Ancient Forgotten Ruins Intermediate
environment concept art, ancient forgotten ruins deep in jungle, massive stone heads overtaken by vines, ((mysterious glowing portal in center:1.4)), overgrown with bioluminescent plants, dramatic light rays through canopy, explorers with torches for scale, atmospheric, 8K
((mysterious glowing portal:1.4)) ensures focal point prominence. "Explorers with torches for scale" provides size reference for massive ruins.
3. Prop & Weapon Concept Art
Legendary Magic Sword Beginner
weapon concept art, legendary magic sword with (glowing blue crystal in hilt:1.3), ornate gold and silver filigree on blade, ancient runes etched along edge, dramatic dark background, product shot, multiple angles, detailed metal texture, fantasy prop design, 8K
Pulse Rifle Concept Advanced
weapon concept art, futuristic pulse rifle with glowing blue energy core, (sleek carbon fiber body:1.2), holographic targeting display, tactical rails and attachments, exploded view showing internal components, clean white background, industrial design sketches, 8K
Ancient Magical Amulet Beginner
prop concept art, ancient magical amulet with ((pulsing purple gem:1.3)), intricate gold chain, silver runic engravings, mystical glowing particles floating around, dark velvet display background, detailed close-up, jewelry design, fantasy artifact, 8K
((pulsing purple gem:1.3)) strongly emphasizes magical focal point. "Intricate" and "runic" add historical depth. Dark velvet background creates dramatic contrast.
Leonardo AI Concept Art: Optimal Settings
| Concept Type | Recommended Model | Resolution | CFG Scale | Key Modifiers |
|---|---|---|---|---|
| Character Concept | Leonardo Diffusion XL | 768×1024 | 7 - 9 | character sheet, turn-around, multiple poses |
| Environment Concept | Leonardo Alchemy | 1024×1024 | 7 - 10 | wide establishing shot, atmospheric, scale |
| Prop/Weapon Concept | Leonardo Diffusion XL | 1024×1024 | 6 - 8 | product shot, multiple angles, detailed texture |
| Mood Board | Leonardo Alchemy | 1024×1024 | 8 - 11 | atmospheric, color palette, lighting study |
Mastering Concept Art in Leonardo AI
🎨 Character Sheet Keywords
Add "character concept art sheet, multiple poses, turn-around views, front and back views, expression studies." These signal professional pipeline requirements to Leonardo.
🌍 Environment Scale Indicators
Include scale references: "wide establishing shot, massive scale, tiny figures for scale, epic panoramic view." Leonardo needs scale cues to render appropriately sized environments.
⚙️ Prop Design Specifics
Use "product shot, multiple angles, exploded view, detailed texture, material callouts, industrial design." Technical language pushes Leonardo toward accurate, usable prop designs.
🎭 Mood & Atmosphere First
Start with mood: "moody, atmospheric, dramatic lighting, color palette study." Concept art sells feeling before details. Lighting and color do 80% of the work.
📏 Consistent Framing
Character concepts: 768×1024 (portrait). Environments: 1024×1024 or 1216×832 (wide). Props: 1024×1024 (square). Consistent framing builds professional portfolio cohesion.
🔍 Reference Professional Styles
Add "ArtStation, concept art, production ready, lead designer, senior artist." These keywords signal quality expectations and trigger Leonardo's most professional rendering.
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