Hello Aternos team!
I recommend the mod Wyrmroost. It just got approved by curseforge moderators.
Description: Wyrmroost is a dragon dimension mod with many different species and items. The dimension isn't available yet, but it will be in the soon future. It's in very early development but very stable as well.
Version: 1.14.4
Release date: 9/23/2019
https://www.curseforge.com/minecraft/mc-mods/wyrmroost
Thanks! 