Any vivid description of what's happend.
For example.
In the midst of a roaring inferno, his skin began to blister and bubble, a horrifying sight to behold. Soon, the grotesque bubbles on his flesh burst open, unleashing a torrent of blood that cascaded down his ravaged face and body. Desperately, he reached out with his trembling, blood-soaked hands, charged with a primal energy, hoping to staunch the crimson tide. But his efforts proved futile, his hands only serving as a grim reminder of his own agony. He watched as the layers of skin began to burn one by one his hand going from pale white to dark more bloody shades of red as the fired dug deepr onto his muscle. The nauseating stench of charred flesh hung heavy in the air, intertwining with the sounds of crackling flames. With a final, haunting gasp, he succumbed to the merciless fire, his existence consumed in a blaze of tragedy.