2D game asset sheet, Hollow Knight style, simple clean vector art, flat colors, thick black outlines, separate environment objects on a light grey and white checkerboard background: moss-covered root archways, round wooden doors with fungal curtains, hanging bioluminescent plant lanterns, glowing blue mushroom clusters, twisted root platforms with vines, small sap waterfall sprites, wooden spiral staircases wrapped around roots, all isolated and separated, no characters, minimal shading, no gradients, no realism, no 3D, cell shaded, sprite sheet Ver mais