A giant, mutated hippopotamus attacking a luxury river cruise in Africa. The hippopotamus is covered in scars and grime, with its body looking dirty and wounded. Its massive mouth is open, revealing enormous teeth and a menacing growl. The river is filled with debris and the water is murky, as the hippopotamus charges towards the boat. The atmosphere is tense, with splashes of water and the sound of the boat creaking under pressure. The hippopotamus' large eyes are glowing with rage, and it seems unstoppable, like a mythic force of nature. The scene is dark, ominous, and frightening, creating a sense of doom as the boat races to escape the relentless creature See more