"Watching today, I'm just like, 'Yes".
She snatched the gold medal from the United States' Jamie Anderson, who took silver with 177.25 points.
Anderson, perhaps knowing that Gasser would go for big points on her final jump, went for a cab double cork 1080 - a trick she had been working on here in Korea - in the third round.
The 2018 Winter Games mark the big air competition's debut on the Olympic stage.
"I was like, "I really have to step up my game". Though she was one of the few who put on a courageous face and tried to make the best of it, she was the first to concede the Olympic debut of Big Air showed her sport in a much better light.
So what does it take to win two Olympic medals in a single Winter Games?
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Big air features riders dropping in down a ramp and onto a jump, where they perform their biggest tricks before landing. "I'm devastated not to put it down to bring it home but this is the sport at its best so to be a part of that is a good time".
In her first of two qualifying runs, the 26-year-old was unable to land the jump, scoring 25.00 to leave her second last. Gasser said. "But I watched the girls and everyone was so good, so I was like, 'O.K., I'm going to try to do this trick, ' and I was so happy when I landed it". Her landing was just about ideal and she seemed to know she'd come through well before the scoreboard confirmed it.
After heavy winds marred the women's snowboard slopestyle final last week, organizers appear determined to not let the same thing happen to big air.
The gold will go some way to making up for the Austrian's disappointment in the slopestyle, where high winds prevented any of the riders from laying down two clean runs. "But today I felt pretty relaxed".
"But I think this group is a minority and it is relatively small".
On this day - a day when the best women in snowboarding got back to showcasing their finest stuff - the fans weren't the only ones loving it. "I was standing up there and I was like, 'This is so sick'".