That 'mask' is civilisation. The idea that violence doesn't solve problems. The idea that he who can do the most damage is not always the one who is right or holds the truth.

You live by violence Ilatheril. It amuses you. Or do you ahve some convoluted reason why you were menacing les- *cough* other fae? What little 'mask' do you wear to disguise your 'might makes right' mentality?