LAS VEGAS — For an Avalanche dynasty that never was, there will be no more tomorrows.

The championship-caliber team that Colorado hockey icon Joe Sakic built from scratch has a fatal flaw that can no longer be ignored. When roughed up in the dark corners of the rink, these Avs blink. They are front-runners who fold when push comes to shove.

Say it ain’t so, Joe.

Vegas broke the Avs’ aura of invincibility, then swept them from the Western Conference finals on Tuesday night at T-Mobile Arena, sending the prohibitive favorites to win the Stanley Cup home to Colorado with a 2-1 defeat and a four-game sweep.

“To have it end so abruptly,” Colorado center Brock Nelson said, “it doesn’t feel real.”

The Avalanche of coach Jared Bednar, Nathan MacKinnon and Cale Makar simply cannot go on this way.

Something has to change.

And we all know who must go: Bednar.

“Get off Bedsy’s a–,” Vegas coach John Tortorella shouted to the media as he departed his postgame press conference.

Everybody loves Bedsy. Especially the coaches who school him in the playoffs.

Yes, Bednar drove an absolute wagon of an Avalanche team to the Cup in 2022. But too often in the playoffs, he turns this burgundy-and-blue bandwagon into a pumpkin well before midnight.

He reminds me of one of my favorite football coaches: the late, beloved Marty Schottenheimer. Sweetheart of a man. Excellent regular-season coach. But not up to the unforgiving demands of the playoffs.

“Losing sucks,” Bednar said. “And losing four straight is worse. The further you go (in the playoffs), the worse it gets.”

Under Bednar’s leadership, the Avs are 0-5 in best-of-seven series they’ve trailed 2-1; 0-4 when tied 2-2; 0-7 when down 3-2; and 0-4 in a Game 7.

In any other situation than do or die, MacKinnon would’ve had no business taking the ice, after taking a shot to the knee. Nate, however, is one ornery Dogg. But skating on one leg, his world-class speed game doesn’t have much bite.

After vowing to fully utilize a goalie tandem that served the Avs well during the regular season in the playoffs, Bednar largely let Mackenzie Blackwood gather dust until the season was on the line. Then Bedsy decided to abandon Scott Wedgewood with everything on the line.

“It’s freaking hard to not play for so long and come into a big game,” said Blackwood, as angry as a ticking time bomb when I asked him how he felt when called to rescue the Avs from disaster.

“But … I just said: ‘(Bleep) it, and go play the best I can and give (our team) the best chance to win.”

During the opening minutes of the first period, Blackwood was unable to stand on his head and stop a breakaway by Mark Stone that staked Vegas to a 1-0 lead with a goal so loud that the happy eruption by 18,188 fans rattled windows in a hotel across the street from T-Mobile Arena.

Through two periods, however, Blackwood often looked like the Avalanche’s best player on the ice, and in one 5-second flurry of a Vegas power play, donned a superhero’s cape, fending off two point-blank shots by Knights winger Pavel Dorofeyev that were as difficult to stop as snatching a speeding rubber bullet with tweezers.

It was the high-powered Colorado offense, especially a power play that was inexplicably clunky all season long, that let the Avalanche down. How did these guys only score seven goals in four games?

The Knights, Bednar said, “Made it super difficult to make quality looks.”

Vegas got an insurance goal from Cole Smith nearly 15 minutes into the third period to take a 2-0 lead.

With the crowd chanting “We want the Cup!” Avalanche captain Gabe Landeskog scored with 123 seconds remaining on the clock to give his teammates a reason to believe.

But that false hope was dashed by the final horn.

“We said in training camp, it’s Cup or bust for us, and regardless of where you fall short, you know, we fell super short of that goal,” Avs winger Logan O’Connor said.

The rubble of a hockey dynasty that never was, was swept away by Vegas.

Maybe Tortorella can give his pal Bednar a ride home after he’s kicked to the curb.