I'm a DM for dungeons and dragons, and I like using AI art to create scene setting pictures so my players have a better visual understanding of the area/scale/settting, etc. I use Open art and often use the dreamshaper AI. The problem I keep running into is that the AI will frequently merge/join/entirely disregard a portion of my prompts and the final images end up being only somewhat like my prompts.

Example

Prompt:

Gigantic translucent blue green octopus tentacles coming out of water attacking a ship, stormy ocean sunset background cinematic shot, deep color, fantastical, intricate detail, splash screen, complementary colors, fantasy concept art, 8k resolution trending on Artstation Unreal Engine 5 a masterpiece, 8k resolution, dark fantasy concept art, by Greg Rutkowski, dynamic lighting, hyperdetailed, intricately detailed, Splash screen art, trending on Artstation, deep color, Unreal Engine, volumetric lighting, Alphonse Mucha, Jordan Grimmer, green and red complementary colours, high quality,

Negative prompt

lowres, error, cropped, worst quality, low quality, jpeg artifacts, out of frame, watermark, signature

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What I was looking for was getting a picture of a ship with a krakens tentacles surrounding it, with maybe the head of the kraken (octopus like) in front of the ship.

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somewhat like

https://imgur.com/zZMzd7x

but what i end up with is

https://imgur.com/l3PIuwg

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I kept changing and altering the prompt, changing step amounts, and using img2img but I continually get a ship with tentacles coming out of it or make of octopus parts. im still relatively new to this so any help would be appreciated, how to i make it stop merging parts of the prompt or make it more like what i envision?