There are NO working video generators on perchance. Perchance does NOT provide video generation services. You can NOT create videos using perchance.
You can ONLY generate images from prompts, nothing else - and chat with the AI.
Any generator claiming otherwise is wishful thinking, fake or worse (there are very few ones that "borrow" resources from outside of perchance and make it seem like perchance can do, which adds to the confusion.)
In your case, you can take a look at the code (edit button top right corner) and see this piece of "code".

The highlighted part basically says "This is way too much text, I'll ignore what is over the maximum I can handle."
Since all of perchance uses the same model for AI text things, a generator with the sole purpose of creating lore out of something like that will face the same problem - you'd need to use a major company LLM for that with a higher token limit.

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My ignore list is growing ...