Origin Star Trek Canon Special Note
Not everything listed in the origin is Canon. That is because only television shows and movies are considered canon for Star Trek. This being a comic website there are many things here that are not canon. So unless it is contradicted in film it should be listed as part of the character biography.
T'Kell is the leader of her people and they descend from a group of warlike Vulcans
who left Vulcan
. This was done in protest to the movement of a more logical way of living. Her Tribe developed a doomsday weapon that put an end to their war as it killed all her people and her enemy as well destroying the whole planet.
T'Kell and her people are one of many groups in the Star Trek universe who descended from Vulcans who did not want to turn to logic. The Romulans are the most well known. They were created in the Star Trek: Early Voyages comic series.