Unicorns and Butterflies Add-on adds new entities into your world. They will be Unicorns, Alacorns, Pegasus, and Butterflies. As you probably know all of them are taken from the myths. Any mob will have unique abilities. Unicorn will be able to jump very high, with Pegasus and Butterflies you can fly, etc. All entities will be spawned naturally around your world.
Each of mob will be living in own biome. Such like unicorn you can find in mushroom island. Butterflies you can find close to fields or plants
all screenshots with new entities you can find below
download Unicorns and Butterflies Add-on for Minecraft PE 1.14/1.15/1.16