Badges update automatically and link to the resource pack page on MineUniverse.
This Resource Pack changes the color of the Eye of Ender to purple rather than turquoise/ green.
Here's a quote I found related to this topic.
"I suppose it’s the ender eye that should be purple. The ender Pearl is w different colour because of the light in its eyes you extinguished when you killed it - hence the blaze powder required to restore the life to the pearl." - /u/duskfinger67
