pixel art illustration of the ruin of Isengard, the black tower standing in a flooded basin of shattered machinery and drowned pits, towering tree-shepherds wading through the water, steam rising, chunky visible pixels, luminous palette of slate grey, deep moss green and warm cream highlights, gentle dithered gradients, wide open composition, aftermath stillness, 16-bit RPG key art --chaos 10 --ar 3:4 --raw --profile 73hh66z --stylize 1000 --v 8.2