I find that Stable Diffusion 2.1 768 knows about Conan, if you use the right model. Pure prompt, no Img2Img or ControlNet.

Conan’s body slipped and crashed down the icy ravine, his simple ice-pick useless to slow his slide, until suddenly he was halted. One foot has stuck through an ice sheet, where the high sun had partly melted it. It was that faint warmth which brought a musty smell to his flaring nostrils. He was suddenly alert to something behind him…