A big welcome to the thread for you and hope to see you more often with any questions or insight you can bring to the discussion here.
From the limited knowledge in league play that I have the only teams that you mentioned to stick out are RNG and of course the Korean side.
They have eSports boot camps for their athletes in the chosen genre and are highly motivated to succeed in whatever they strive to achieve.
Quite a bit of focus from the docuseries about this team.
Actually placed two bets last week when I had to check it and the bets graded almost instantly. Very nice to have it available and now we have two ways to place bets on the electronic sports we love.
From what I remember T1 are from South Korea and RNG are from China.
So there is some serious competitiveness there. From what I witnessed in those series.
They breathe, eat and sleep their designed sport they train for before going professional.