I am not a runner, but created an account to share this. I have had the game since launch, but it's been a slow playthrough due to kids and just exploring in the game. I got above the Fire Temple and shot Yunobo, he went straight down and destroyed the rock inside the boss arena, which started the fight. However, the boss dissappeared as soon as the fight starts, leaving me in a small softlock. Although the boss disappeared, maybe with different circumstances this could be a potential skip?