Medieval knight concept art, imposing figure clad in ornate plate armor with intricate engravings, standing knee-deep in murky swamp waters, weathered steel reflecting muted greenish hues from the algae-covered surface, broadsword resting point-down in the muck, leather straps creaking under tension, chainmail visible beneath plate gaps, heraldic tabard frayed at the edges, morning fog clinging to the ground in swirling tendrils, gnarled cypress trees with spanish moss framing the composition, shallow depth of field with 85mm portrait lens, cold dawn light filtering through dense canopy, palette: oxidized bronze, deep viridian, slate grey, textures: pitted metal, wet leather, rotting wood, atmospheric perspective with distant ruins barely visible through mist, style reference: Ian McQue with painterly brushstrokes, foreground: floating lily pads with trapped bubbles, midground: knight's imposing silhouette, background: submerged skeletal remains