pixel art illustration of Cú Chulainn holding a narrow ford alone against a host, spear braced and shield raised, the river running red at his feet, a grey mist rolling off the hills behind, chunky visible pixels, luminous palette of cold green-grey, deep moss and warm ember red, gentle dithered gradients, wide open composition, 16-bit RPG key art --chaos 10 --ar 3:4 --raw --profile 73hh66z --stylize 1000 --v 8.2