It appears as though daily challenges are back up!
Atlantis. Season 2. There you can find those stages with fog. Beat them and you got’m.
They appear in a number of the Season 2 stages. You can find them by the little dark/light blue circles marking them.
Complete Season 2 Underwater Stages
Looks like you misplaced Underwater for Dense Fog
Dense fog is Season 2 7.2
Thx guys, finally I found it.
Please use the main Valour thread for further discussion