Herobrine Builder

[stark sinew]

I remember one of the older Herobrine mods had this thing where there was a Variant Herobrine you could find who would spawn a structure...

Now I'm not saying this feature be something as simple or crude as that, but I like the idea that Herobrine could potentially make stuff like mossy cobblestone pyramids that Weren't there before.
And instead of it just suddenly appearing, he'd stand near it for a while for you to notice him (or not lol), so that it's notable that he indeed built it.

If making him actually make structures is too taxing on the game/buggy though, the idea of him idling right next to some of his structures is still neat if you ask me, and would add this slight extra depth to the structures being something Herobrine had actually made, instead of just feeling like part of the world gen.

[balmy laurel]

That's a good idea, it'd make it feel like he's actually doing things apart from just watching you

[deep jolt]

I think that would be awesome. Like you I have no idea if it's feasible, but it would be cool if small builds could spawn into nearby or far chunks that you haven't been to in a while.
Maybe there's be a way to see which chunks you visit all the time (such as a base), or have altered in any way, and use that to determine where to spawn the build at so that it ends up somewhere you'll likely see it, but not smack dab in the middle of your house.

[dusky swan]

make it spawn on blocks that have not been updated

[grim dome]

I love this idea but I feel due to the potential of great griefing it should be an off by default..
Other than that you have obtained my upvote.. ^u^

[deep jolt]

bumping this with the recent announcement I still think this idea is cool
(but also an option to prevent further chunks spawning structures would be cool if possible cause they can be a dead giveaway for any friends that know the datapack lol. Maybe I should post that as a separate suggestion,,)