Slettvoll prepared for the 1985/1986 season knowing it could be the most important in the club's history. With new players like Sandro Bertaggia, Andy Ton, and the return of Jörg Eberle, Lugano won the championship. On March 1, 1986, Lugano became Swiss champions with a historic victory in Davos. The bianconeri team, with Kenta Johansson as the hero of the evening, marked a turning point in the club's history.
The 1986/1987 season saw Lugano remain at the top, winning their second national title against Kloten.
In 1987/1988, despite numerous departures, Lugano claimed their third consecutive championship with a memorable victory against Kloten. The season also featured participation in the European Cup, with epic battles against legendary teams like CSKA Moscow.
After a disappointing 1988/1989 season, losing the title to Bern, Lugano bounced back in 1989/1990. With new acquisitions and a renewed team, Lugano captured their fourth national title, marking the end of a glorious era.