I dunno but in d1 I was a big prison of elders, Siva and Fallen fan in general. Variks voice lines were my favorite so when I heard Variks speak in the trailer I noticed he learned some grammer. I thought it was a nice character development, but still gonna miss that special grammer. or atleast way to speak
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Variks has always spoken perfect English. He hid it from the Awoken to make it seem like he was just a dumb Fallen.