Samsung in 1996, 2009, and the experience of three consecutive postseason appearances.

Samsung's legendary year in 1996
Yang Jun-hyuk built up a 9.20 war record, yet they missed the postseason in 6th place
Then, 2009 was the year of great disgrace when they missed the postseason for the first time in 13 years
In 2010, after gaining experience from two postseason series, Ryu Joong-il took over the team.
After Park Jin-man became manager
They gained experience from at least two postseason series every year for three consecutive years.
Thanks to that accumulated experience, the players handle everything seamlessly on their own.
Of course, there are exceptional players,
But the players take turns and contribute evenly.
The experience gained from three consecutive postseason appearances is what makes them formidable.