SamplerDPM++ 2M Karras / Euler aBalances speed and detail performanceSampling Steps20-30 steps (28 steps recommended)Higher steps yield richer details; 25 steps balance efficiency and qualityResolution1024×1536 / 1536×1024Suitable for vertical character portraits / illustration ratios, supports 2K outputAspect Ratio2:3 (character portraits) / 1:1 (avatars / cards)Matches the visual proportions of the reference imagesPrompt WeightPositive: 1.0-1.2 / Negative: -1.0~-1.5Enhances high-quality features and avoids low-quality elementsPositive Prompt Template (adapted to reference image style)cinematic portrait of a solo woman underwater, pink hair, crown, flowing hair drifting, shimmering light through water, rippling reflections, ethereal atmosphere, serene expression, detailed waterline, dreamy photography style, bioluminescence, ruffle off shoulder top, mermaid, coral reefs, colorful fishes, underwater plants, bubbles, glowing marks on skin* Character features can be replaced as needed (e.g., "1boy", "elf ears", "mecha armor", etc.)Negative Prompt Template (to avoid low-quality results)(worst quality, low quality, very displeasing, lowres),(interlocked fingers, badly drawn hands and fingers, anatomically incorrect hands),blurry,watermark,multiple views,comic,censored,jpeg artifacts,patreon logo,patreon username,web address,signature,watermark,text,logo,artist name,safe_neg,unfinished,displeasing,oldest,early,chromatic aberration,signature,artistic error,scan,Advanced Optimization Parameters• High-Resolution Fix (RealESRGAN_x4plus_anime_6B.pth): Enabled, magnification factor 1.5-2.0, denoising strength 0.3-0.5 (improves detail sharpness)• Face Restoration: Enabled with CodeFormer, strength 0.6-0.8 (optimizes facial precision of characters)• Contrast Enhancement: Latent Upscale + Sharpening filter (improves overall image clarity)• Seed: Fixed seed for reproducible results; random seed for diverse content generation

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