Tier {TIER} out of 10 game-ready 3D weapon for an ASSASSIN in a fantasy RPG, optimized for Unity. Lightweight curved dagger for stealth backstab. Tier rules: 1–3: small, simple steel, straight blade, plain handle, no glow. 4–6: sharper, slightly curved, dark metal, subtle engravings, small color accents. 7–8: aggressive curve, dark steel, cutouts, poison or shadow veins, soft green/purple glow. 9–10: iconic legendary dagger, segmented or floating parts, strong toxic glow, ornate handle with gem. Single model, centered, no background, PBR, low/mid poly, clean UV, 2K textures.