The Belfast Giants trounced Cardiff Devils 8-3 on aggregate to make next weekend's play-off semi-finals.
Having beaten the Devils 1-0 in the first leg of their quarter-final in Belfast on Friday, Steve Thornton's side took a convincing second leg win.
The victory was their first in Cardiff this season, at the sixth attempt, and ensures they will travel to Nottingham.
The Giants will play Coventry Blaze in the last four, with Sheffield Steelers facing Hull Stingrays in the other tie.
Belfast were in charge throughout on Sunday night and Mark Garside grabbed a double, with Craig Peacock, Cody Brookwell, Adam Keefe, Nathan Robinson and Mike Kompon also getting their names on the scoresheet.
Joey Martin, Brent Walton and Andrew Hotham found the net for Cardiff.
Ray Sawada scored the only goal of the game in the first leg at the Odyssey Arena.