Summoner's Circle

Return to the Dreadnaught and stop the creation of a powerful Taken Warbeast. Complete mission "Summoner's Circle."
"Transmissions do not conform to expectations. No sign of Uldren yet, yes? Petra, you must rally the crows. Make them fly. Strange things happening at heart of Dreadnaught. They must be stopped." —Variks
Added In
The Taken King (2015.09.09)