WWE Undertaker and Brock Lesnar Story: Whenever the name of Undertaker or Brock Lesnar comes to our mind, we remember the match of WrestleMania 30, when Brock Lesnar took a big record by defeating Undertaker. Undertaker had won 21 consecutive victories before losing to Brock Lesnar. Once upset, Brock Lesnar reached the Undertaker. Brock was talking about leaving WWE. After this, Undertaker gave him heart touching advice.