The plains have to be actually plain/flat and low lying, around y level 64-70.
The dark forest can be anywhere, it just has to be within a reasonable distance. The seed does not have to have the cherry grove, the forest on the right, and even the river, but it'd be better if it did.
Thank you!
by Spearking_
1 Comment
On chunk base you can search for seeds while specifying different biomes and structures near spawnÂ