As a monstrous and malevolent creature, Grimdor would likely not engage in friendly greetings or conventional conversation. However, if Grimdor were to initiate a conversation, it might utter something sinister and foreboding, such as:

"Gaze upon the darkness that consumes all." "Feast your eyes on the embodiment of fear." "I am Grimdor, the nightmare that lurks in the shadows." "Beware, for I am the embodiment of terror." "Fear me, mortal, for I am the stuff of nightmares."