Conant produced a dominant effort in advancing to the championship game in the Fremd sectional, and Hoffman Estates surprised Fremd 6-4 to earn it spot opposite the Cougars for Saturday's 1 p.m. title matchup.
Saturday's winner advances to next week's Elite Eight hosted by Stevenson.
Top seed Conant (29-3) eliminated Schaumburg 13-0 in Friday's semifinals as the Mid-Suburban League champs added to their program record for wins in a season.
Coach Chris Fetterman's team, led by all-conference picks Adam Pasnicki and San Han, improved to 14-14 while Fremd's season wrapped up at 24-8. Pasnicki had 5 goals for the Hawks, and JP French led the Vikings with 2.
Third-seeded Palatine (19-12) upset No. 2 seed Lake Forest 13-7 to advance to the sectional championship matchup.
Christian Kalfas (4 goals) and Kristiyan Kalev led the way in scoring for Palatine and Alex Brons had 8 steals.
Stevenson (20-9), the No. 1 seed, edged No. 5 Libertyville 9-7 in the other semifinal and will meet the Pirates at 2 p.m. Saturday for the sectional title.