Ok so I’m a noob. I don’t know much yet, and I’ve only ever seen one of these, but this is my story.

I was flying around on a private server with my friends, and I see this thing. I grab it with my argy, and have a really hard time getting back to base as I was far away and had a bad argy. When I get back I just hold above everybody until they make a taming pen. I drop it in and I don’t know how to tame, so I try walking over with some mejoberrys in my last inventory slot, and feed it. It takes a tiny bit, and I think: ‘awesome, it’s a passive tame!’ So I procede to feed it mejoberrys from out side of the pen. Then after half an hour, it moves to the middle of the pen and I can’t reach it. I try crouching under the bottom, but it gets scared. I replace one of the walls with a doorframe and go in, and I try to feed again, but instead I start riding it! I had no idea what was happening, but I got bucked of 0.5 seconds later, and the unicorn destroyed the entire thatch pen! Then it ran away, but our raptors attacked and killed it. I still honestly don’t know how to tame it as I haven’t found a single helpful tip here.