Due to their 1st place finish at IEM Taipei, yoe Flash Wolves were invited to compete at the IEM Season IX - World Championship. After a Round 1 loss against SK Gaming, Karsa and the team went on to beat Cloud9 in Round 1 of the losers bracket. Round 2 of the losers bracket saw the team's 2nd meeting of the tournament with SK Gaming. A win against the European team secured the yoe Flash Wolves a place in the bracket stage. They were eventually knocked out of the tournament in the semifinals after losing to Team SoloMid.
With a second and third place LMS finish under their belt, the Flash Wolves had obtained a tie for the most LMS Championship Points behind AHQ, and were invited to the 2015 Taiwan Regional Finals. There, FW avenged their playoff loss by defeating Hong Kong Esports 3-2 and acquiring a spot in the 2015 Season World Championship.
At the World Championship, the FW were expected by many analysts to have one of the weakest showings of any team in attendance. However, after a 4-2 group stage with wins over favorites KOO Tigers and Counter Logic Gaming, the Flash Wolves emerged first from groups, becoming the first team in two years to finish ahead of a Korean team in groups at Worlds. In the tournament quarterfinals, FW lost 1-3 to Origen, earning a top eight finish.