The story began one year earlier at WrestleMania 30, when Brock Lesnar famously ended The Undertaker's undefeated WrestleMania streak. During the match, Undertaker suffered a severe concussion and was taken to hospital before the event had even finished. It was really, really bizarre.” “I don’t know. Just I did it on instinct, I guess, because I don’t, I don’t remember it.