Stefan;
You can manipulate the water elements.
Damon;
You can manipulate/create ice.
Klaus;
You can create/manipulate fire elements.
Elijah;
You can change/alter photographs.
Kol;
You can morph/adapt into another person or change features.
Kai;
You can see dead people.
AN; None of those pictures are mine, they belong to the lovely people on tumblr that created them.