Jonah Rosario, better known as Isles, is an Australian support currently playing for LYON in the LCS. Still only 25, he is one of a growing number of Oceanic players reaching North America’s top stage, a path that reflects both drive and the ability to adapt.
Isles plays the support, the player tasked with protecting and enabling his team’s carries. Much of the job centers on vision: placing wards in key areas, keeping tabs on enemy movement, and setting up the plays that give his allies an advantage. Success here depends less on personal stat lines and more on game sense and clear communication, since a good support has to be thinking several moves ahead and keeping everyone informed.
Australian and wider Oceanic players have long traveled a great distance to compete at the sport’s highest level, and Isles follows that path. Moving to the LCS demands a lot from anyone in his position: a new competitive environment, a faster practice pace, and higher expectations. Taking that on says a lot about the determination of players who want to measure themselves against the very best.
Now on the LYON roster, Isles has a real opportunity to make his mark in one of the most demanding leagues in the sport. For a support, chemistry with the marksman and the rest of the team matters most, and building strong synergy in the bot lane will be key to what he brings. Good support play often comes down to trust and timing, and those qualities grow through repetition and shared experience.
Looking ahead, Isles represents what international rosters can offer rising talent. As he gains more experience at the LCS level, his progress is worth following, and a strong run could help show just how deep the talent coming out of Oceania really is.
Isles (Jonah Rosario) is 25 years old, born March 7, 2001.
Isles currently plays as Support for LYON in the LCS.
Isles is best known for Pyke, Blitzcrank, Rakan, Rell.

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