Editing Zal'Kazzir's Forbidden Lore (section)

=== The Black Speak ===
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The Black Speak is the language of dark gods; the language of true evil. It is the root language from which the bastardized pidgin of the black tongue was derived, and a competent speaker can see many similarities. 

The Black Speak contains no words for compassion, kindness or forgiveness, but with it, a skilled speaker can communicate concepts of destruction, revenge, corruption, torture and betrayal with a preciseness and eloquence no other language can ever match. The Black Speak contains more words for disemboweling than the Arunsil tongue contains words for snow. 

For the uninitiated, uttering even a single word of the Black Speak is certain doom; and such words of dark power are heavily draining even to those capable and willing to speak them. No being can be tricked or fooled into speaking the Black Speak; one must willingly and desirously pronounce its dread syllables, or they are simply gibberish.