The end is still a little dangerous endermen can teleport in to the area if they are around. also the ender dragon would target you if you accidentally get to close
It's got business. somewhere...
a few minutes later the rider has left a path in it's travels
exploring the nether was never safer
He appears in a minecart at that hub when you press the button.
once you place a bell next to a rail. he'll be summoned