The Edmonton Oilers' reign as back-to-back Western Conference champions has come to an abrupt and stunning end, as they fell to the upstart Anaheim Ducks in six games. While the result may shock those who expected another deep playoff run, the warning signs had been flashing all season—even if they were easy to overlook amid the star power.

Boasting offensive firepower that could rival any team in the league, the Oilers entered the postseason with hopes of a third consecutive Stanley Cup Final appearance. But their Achilles' heel—defensive inconsistency—proved too costly to overcome. In a first-round series that ended Thursday night with a 5-2 loss at Honda Center, Edmonton's inability to keep the puck out of its own net was ultimately their undoing.

"We were an average team all year," said captain Connor McDavid. "An average team with high expectations, you're going to be disappointed."

The numbers tell the story. Edmonton scored the sixth-most goals in the NHL during the regular season but also allowed the eighth-most. That lack of balance made consistency elusive, as the team managed only two winning streaks of three or more games all year—one three-game run and one five-game stretch. In this series alone, the Oilers surrendered 26 goals in six games.

"We've got to find ways to keep the puck out of our net," said Ryan Nugent-Hopkins. "It's everybody, it's not just a couple of guys. It's everyone. That was a bit of a theme throughout the season, and to play a team like that, they make you pay."

The Ducks, meanwhile, embraced a high-octane, "firewagon" style of hockey that mirrored Edmonton's own approach. Anaheim had no trouble scoring but allowed the fourth-most goals in the league during the regular season. When two teams play all gas and no brakes, the result is an entertaining, high-scoring series that puts goaltenders through the wringer. Many expected the more playoff-tested Oilers to weather the storm and lean on their experience to advance.

"We couldn't contain their offense," defenseman Mattias Ekholm admitted. "Obviously, it was a big factor in the series. It's hard right now to have a much broader view than that."

Now, with summer ahead, the Oilers face tough questions about how to address their defensive shortcomings—and whether this talented core can take the next step before their championship window closes.