Storm of the Century S01 E03 Part 3

"An unspeakable evil has arrived."

What Linoge desires is an heir, one of the eight small children that he had incapacitated early on in the miniseries — someone to "carry on his work when he can no longer do it himself", although Linoge's life spans millennia, he is not immortal. Any of the eight children, he states, will suit him.