Shadowverse

What is a "lakerock" and how to deal with it. In the first screenshot, look at the amount of healing from Adjudication; in the second, look at the opponent's HP and my damage.

For the first time, I "won" the final. In quotes, because in the first game, there was a loss, followed by two wins. With such a casual Grand Prix now, it's not even clear what to consider a victory.