
Obstinatus, known away from the game as Guilherme Cruz, is a 23-year-old Portuguese support player competing in the NACL under the banner of Maryville University. His profile reflects the growing intersection of collegiate esports and professional development, a pathway that has become an increasingly legitimate route into North American competition.
Support is perhaps the most selfless role in League of Legends, and it demands a particular temperament. Obstinatus shares the bottom lane with his marksman, but his mandate extends far beyond that partnership. He is responsible for the team’s vision game, placing and clearing wards to illuminate the map, and for engaging or peeling in teamfights depending on his champion. Whether piloting a hard-engaging tank, a protective enchanter, or a roaming playmaker, a support’s impact is often measured not in kills but in the enabling of his teammates and the information he provides.
The NACL, North America’s premier tier below the top professional league, serves as the proving ground where aspiring talent earns its stripes. Representing Maryville University, a program long associated with collegiate esports excellence, Obstinatus competes in a setting that blends academic structure with genuine competitive stakes. This model has produced a steady stream of players who leverage the discipline of a scholarship environment to accelerate their growth, and at 23 he sits at an age where a strong showing can attract the attention of larger organizations.
The support role is in constant dialogue with the game’s evolving vision systems and item economy. Riot Games regularly reworks support-oriented items, ward mechanics, and gold generation, meaning Obstinatus must adapt his approach to remain effective. His Portuguese background adds to the international texture of the North American developmental scene, where players from across the globe converge in pursuit of opportunity.
Looking forward, Obstinatus’s ceiling will be shaped by the qualities that elevate every great support: flawless map awareness, decisive shotcalling, and the selfless discipline to elevate those around him. If he can channel his collegiate experience into consistent NACL performances, he stands to position himself as a candidate for the next rung of the competitive ladder.
Obstinatus (Guilherme Cruz) is 23 years old, born December 13, 2002.
Obstinatus currently plays as Support for Maryville University in the NACL.
Obstinatus is best known for Milio, Rakan, Lulu, Karma, Nautilus.

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