Now the end of this was that Melko aided by the cunning of Meglin devised a plan for the overthrow of Gondolin. For this Meglin’s reward was to be a great captaincy among the Orcs – yet Melko purposed not in his heart to fulfil such a promise – but Tuor and Eärendel should Melko burn, and Idril be given to Meglin’s arms – and such promises was that evil one fain to redeem. Yet as meed of treachery did Melko threaten Meglin with the torment of the Balrogs.