Forgotten land, fantasy scenery, cliff, water, waterfall, (floating), (ruins)
Here is "forgotten Land IV", probably the last.
It's the closest to my initial idea.
As is often the case, there are imperfections with the waterfalls.
Trigger words: Forgotten land, fantasy scenery, cliff, water, waterfall, (floating), (ruins)
Useful prompts: (floating island), (mountainous horizon)
Negative prompts: text, trademark, copyright, signature, logo
Strength: 0.7 -> 1 (0.8 is enough)