How are the exceptional people in your world flawed?

In the Iadate, the Wenna Mystics have honed the skill of foresight and clairvoyance to an unparalleled degree. Though they never attain 'true sight' that reveals actual events with the clarity of a picture, some can get the general sense of large events (within a sizable margin of error). Those who attain such a level of skill are signified by the completely white opaqueness of their eyes.

This has caused their skills to be revered in many cultures of the Iadate and the Mystics to exist somewhere outside the struggles of the world. And yet, for some, this is not enough. Their powers distract them, create in them a sense of longing and obsession. Ever more intense are they focussed on the future, often forgetting or losing sight of their current life.

Among the Mystics, they are called 'Whiteminds', a reference to the way their eyes suggest blindness, whilst it is now their mind that has lost sight of its purpose.

How are there exceptionally skilled, gifted or special people/groups in your world that are hindered by the very ability that makes them so special?