Vision

Vision is a hidden stat that changes how many tiles are uncovered whenever you move, this can be increased by traits such as Magic Vision and Heightened Sense (these traits do not stack normally, your Vision will only increase by 2 only if you have both of these on the same character).

Party Vision is equal to the highest character's Vision stat, this means that characters who have the Short Sighted trait are almost never a hindrance since they wont affect the actual vision stat unless all of your characters would need to have this trait for it to actually affect your Vision negatively.

The Glowing trait removes the Vision penalty of almost every single tile, excluding the Lake tile.

Also affects the character's Scouting and Scavenging ability.

The default amount of tiles that will be uncovered depend on the type of tile that you move to, for example, if you move to a Deep Forest tile which has -3 Vision while you only have 2 Vision then you will only be able to see 1 new tile in each direction (since minimum vision is always 1), but if you move to a Mountain tile which has +2 Vision while you have 3 Vision then you'll discover 5 new tiles in each direction.

Tile Vision
The Vision value for each tile are as follows: