The DeviantArt Terms of Service, section 19.b:
You agree to be subject to and to conduct yourself in accordance with the deviantART Etiquette Policy.
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You agree not to use the Service:
b. to upload, post, or otherwise transmit any material that is obscene, offensive, blasphemous, pornographic, unlawful, threatening, menacing, abusive, harmful, an invasion of privacy or publicity rights, defamatory, libelous, vulgar, illegal or otherwise objectionable;From the Etiquette policy:
Prohibited commentary is typically considered to be inherently disrespectful, aggressive, or otherwise abusive.
We must insist that you refrain from comments