3Fog
Covers the opponent's view with fog.
Energy3
Duration4 s
TargetsRival
Max level8
How it plays
Fog rolls over your rival's view, hiding most of the scene.
Tip: Pairs well with Zoom Lock: they cannot zoom past it.
Counters & answers
Where to get it
| Chest | Copies | Chance per card roll* |
|---|---|---|
 Wood chest | ×2 | 11% |
 Magic chest | ×2 | 14% |
* Before the ×2 weight for cards you do not own yet.
Also sold as single copies in the daily shop when offered: 60 coins per rare copy.
Levels
Upgrading only lowers the energy cost (4% per level, rounded, never below 1). Duration and strength are the same at every level, and each arena caps the level cards play at.
| Level | Energy cost | Copies to reach | Coins to reach |
|---|---|---|---|
| Level 1 | 3 | Unlock | — |
| Level 2 | 3 | 2 | 50 |
| Level 3 | 3 | 4 | 100 |
| Level 4 | 3 | 10 | 250 |
| Level 5 | 3 | 20 | 500 |
| Level 6 | 2 | 50 | 1,000 |
| Level 7 | 2 | 100 | 2,000 |
| Level 8 | 2 | 200 | 5,000 |