One of a Kind

One of a Kind is one of the achievements in Settlements.

As of June 2018 19% of players had achieved it.

Strategy
To purchase a Feat you can right click on a character icon, then click on the 'book' icon in the lower left of the character screen.

Character Feats can then be purchased in several categories represented by icons in the lower right of the newly opened window.

Purchase three such Feats for one character to complete the achievement.