The story of Athletic Bilbao's ascent to the Europa League quarter-finals is one that will be remembered for many years to come. The club, which has always been known for its passion and commitment to football, had a remarkable run in the Spanish top flight last season, earning a spot in the group stage of the competition.

However, as expected, the team struggled throughout the group stages, losing to some of the best teams in Europe. However, despite this setback, Athletic continued to push forward and finally reached their goal - advancing to the Europa League quarter-finals.

The group stage was a tough match-up, with several teams from different European countries competing against each other. However, the team from Athletic Bilbao showed great resilience and determination, rallying from落后1-2的比分，并最终在点球大战中击败了对手，成功晋级到四分之一决赛。

In the quarter-finals, the team faced off against another strong opponent, but they emerged victorious after a thrilling penalty shootout. In the final game, the team fought hard to earn a victory, ultimately winning the match 4-3 and advancing to the Europa League final.

In conclusion, the story of Athletic Bilbao's ascent to the Europa League quarter-finals is a testament to their passion and commitment to football. Despite facing numerous challenges during the group stages, they were able to rise above them and reach their goal. With next year's campaign just around the corner, we can only hope that they continue to excel and progress on their path to becoming one of the best clubs in Spain.