Cant find emissary one character in eilite/ultimate

Hello guys, i have a problem with accessing Forgotten Gods expansion with only one character. I can access Forgotten Gods in Veteran, but in elite/ultimate emissary doesnt appear, however i killed Warden. But on other all characters i have emissary. What should i do?

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You need to hand in the quest for killing the warden - you still haven’t finished helping out around Devil’s Crossing (Kill Viloth, etc.)

Thank you very much !!!