Tulus left Finland to play in the Riksserien, now the Swedish Women's Hockey League (SDHL), joining Luleå HF/MSSK just before their playoff run in the 2015–16 season.

[3] In the 2019–20 season, Tulus scored 24 points in 22 games[citation needed] despite missing several weeks due to a foot injury.

In November 2020, Tulus and four Finnish Luleå teammates were unable to return to Sweden after a national team camp where a player tested positive for COVID-19.

Finnish law at the time required them to remain quarantined for ten days, causing them to miss multiple games.

She scored six points in seven games at the 2019 World Championship, including two assists in the semifinal upset victory, as Finland won their first-ever silver medal.