Anyway, for simplicity and pipeline purposes.. I might generate my mini-ecosystems externally, and then import to Unreal. Simpler is reliable is solid is better. : []
I'm also moving from Level Instances to Level Streaming. And I'm planning on streaming starting with the player's proximity, so we're starting the game in like.. a second. Yay! No loading screens. Just a deep breath.. and you go again!
One more pic..