What ability is this, and what class uses it?

[Valiance]

All people do is bitch off BelgianRofl as being a troll but out of most of the people here who try to justify a point, he makes some of the best points out of everyone. People need to be more objective and get a better sense of humour.

That's what happens when you start trolling. Any valid point/legitimate concern a person has after that is automatically overlooked and/or people lessen its value. He made his own bed.