Vaz Ikzel

It is a mutation that directly affects the individual's ability to link to the rest in a relatively subtle manner. They are able to receive and decipher more information than normal on what the others can sense and perceive.
However it also overloads the individual with information, which wears down on their mind. Sometimes causing the Affected to be more willing to separate from the group, which is also why they'll take on a scouting role. Harmless enough role to hide they just want to get away from the others. But they grow to enjoy the role because they are often better at it and valued for this ability. But it doesn't change the fact it still wears on their mind, and ultimately becomes their undoing.

There's basically only two stages to this condition: The basic condition itself, and years later when it begins to noticeably progress into Kedril Trir and becomes fatal, there is no real cure.