Collapse? What Does That Have to Do with Me?

When the shameless System tossed the dice in its hand, they rolled slowly across the black-and-white gambling table, finally coming to rest on the number one. Su Yi, who was just as shameless, was then chosen.

"Then the wager takes effect starting now," something rasped with laughter from behind the scenes. "The avenger does not wield a blade without an edge."

P.S. The world of Honkai Impact 3rd.