Now that The Undertaker's famous undefeated streak has ended, we can now look back it in its entirety. In the days leading up to WrestleMania 31, we will take a look back at every memorable chapter of the feat that can never be duplicated. Here's a look at what became the holy grail of professional wrestling.

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The Undertaker vs. Kane (7-0)

WrestleMania XIV | Fleet Center (TD Garden) — Boston | March 19, 1998

Attendance: 19,028

Match length: 16:48

To this point, The Undertaker had some decent rivalries heading into WrestleMania, but none were as personal as the one he had with Kane heading into WrestleMania XIV.

In storyline, Kane was The Undertaker's long lost brother who came to the WWE to put an end to his older sibling.

Kane did everything he could to get The Undertaker to face him in a match, but The Undertaker flatly refused to fight his own flesh and blood. Eventually, The Undertaker reached his breaking point and vowed to unleash hell on Kane and Paul Bearer, who had turned on to align himself with Kane.

After months of supernatural occurrences between the two, it called for a pair of grandiose entrances at WrestleMania. Kane's entrance was relatively tame, although it did end with him delivering a tombstone to baseball great Pete Rose.

The Undertaker's, however, was more than fitting for the Demon from Death Valley. The Undertaker's entrance at WrestleMania was usually nothing more than you saw on television with the exception being WrestleMania IX when he was accompanied to the ring by a raven.

But since the WWE had fallen on hard financial times after that, the company didn't necessarily go out of its way to put a ton of production into his entrances.

By 1998, the WWE was in the midst of a resurgence thanks to Steve Austin and the "Attitude Era," which put the WWE in a much better financial position than it had been in previous years.

The result was the first time The Undertaker used druids during his entrance at WrestleMania. It certainly wouldn't be the last, but the first time is always very special.

The Undertaker had also shed his patented gloves and hat. The hat would return in later years, but the gloves were a permanent thing of the past.

As for the match itself, The Undertaker and Kane put on a very good performance that was worthy of being in the semi-main event. Up until this point, Kane was an unstoppable monster that rarely left his feet, and that story was told during this match.

Another story that was told was the fact that Kane was one of the few people that could go toe-to-toe with The Undertaker. When Kane got in his offense against The Undertaker the commentary team expressed how they had never seen someone physically handle The Undertaker in such a manner.

Eventually, The Undertaker triumphed but not until Kane kicked out of the tombstone twice. The Undertaker delivered a third and finally gained the pinned.

Kane didn't stay for long, as he attacked The Undertaker after the match, signaling that the rivalry was far from over.

The Undertaker and Kane had numerous battles throughout their careers, but their most memorable took place at WrestleMania XIV.