It's not a rumor, mineplex literally posted a short video on it.

Sep 7, 16 · +0 · Like · Report

I was about to say dat.

Sep 7, 16 · +0 · Like · Report

Aight.

Sep 7, 16 · +0 · Like · Report

Ayy called it, they posted a gif on twitter and it looked like Death Blossom

Sep 7, 16 · +0 · Like · Report