Never underestimate a Nintendo fan's dedication.

Twitch user Runnerguy2489 (real name Drew) is no slouch when it comes to The Legend of Zelda: he's known throughout speedrunning communities as one of the best Ocarina of Time runners out there. Speedrunning such a huge game isn't easy, either: runners take the time to memorize each and every little detail in a game, trying to shave off as much time as possible. That sounds crazy on its own ... which makes this gamer's latest run that much more impressive.

It may have taken months to complete, but Drew has completed Ocarina of Time with 100 percent of items collected, all while blindfolded. Just beating the Nintendo 64 classic is too much for some people, let alone collecting everything in the game without being able to see what they're doing. True, it makes the game nearly impossible, but that just makes the victory that much sweeter.

You can watch the entire playthrough, but it might take a while: the full run clocks in at a ludicrous 103 hours. We'll just stick with the finale:

Even watching the final boss fight on its own is something to behold: it's clear that Drew has an intimate knowledge of the boss fight and its mechanics, but he still can't actually see what he's doing. What's even better is that, somehow, Drew manages to beat Ganon with less than two hearts remaining — basically, it came to as close a finish as it possibly could.

It goes to show that, despite being more than 15 years old, Ocarina of Time still holds a special place in gamers' hearts ... and that some people are ridiculously good at it.

If you want to watch Drew do his thing live, head on over to his Twitch channel.

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