rite of passage (noun)

1. In the Catholic Church, the sacrament of Confirmation serves as a rite of passage for young adults, marking their initiation into full membership of the Church.

2. During the Viking Age, the journey undertaken by young Norsemen to prove their manhood and bravery was considered a rite of passage.

3. The grand staircase in the palace was adorned with intricate carvings and decorations, serving as a rite of passage from the entrance hall to the upper floors.

4. In the anime series 'Naruto', the Chunin Exams act as a rite of passage for young ninjas, testing their skills and determination.