In September 2019, Riot announced that the LMS would merge with the League of Legends SEA Tour (LST) to create a new professional league for all Garena-affiliated regions except Vietnam, the Pacific Championship Series (PCS).

[2] The regional quota of two slots in the GPL and a single seed in the World Championship every year temporarily offset the dominance of the Taiwanese teams, but these conditions were not enough as the slots of the Southeast Asia in the World Championship 2014 were both filled by Taiwanese teams.

In September 2019, it was announced that the LMS would be merged with the League of Legends SEA Tour (LST) to create a new professional league for all Garena-affiliated regions (excluded Vietnam), the Pacific Championship Series (PCS).

Teams from Hong Kong and Macau were provided with flights and accommodations, and received an additional NT$60,000.

The beginning of the LMS coincided with the construction of the Garena e-Sports Stadium, located on the first floor of an office building in Neihu, Taipei.