isometric floor tile, water terrain, 2.5D mobile RPG game asset, diamond rhombus shape, hand-painted painterly texture, shimmering blue water surface with small ripples and reflections, slight foam edges, subtle caustic light patterns on water, slight 3D extrusion on edges with dark grey side visible, soft directional lighting from top-left corner, drop shadow underneath the tile, dark border edge like a stone slab base, AFK Journey art style, Rise of Kingdoms style, isolated on pure white background, no text, no watermark, single object centered, portrait orientation isometric floor tile, water terrain, 2.5D mobile RPG game asset, diamond rhombus shape, hand-painted painterly texture, shimmering blue water surface with small ripples and reflections, NO stone border, NO slab base, NO grey edges, NO extrusion, flat diamond shape only, texture goes to the edges, soft directional lighting from top-left corner, AFK Journey art style, Rise of Kingdoms style, isolated on pure white background, no text, no watermark, single object centered, portrait orientation