Amalgam

Korthos Island
After you get access to the Island, he will not talk much to you:
 * Amalgam: There is nothing up there but death, adventurer. I advise you go no further.

After you have completed the quest Redemption, Ingram will tell you that he wants to talk to you:
 * Amalgam: I received word from Master Heyton. Are you ready to meet him atop Misery's Peak?
 * You: Yes. (Bestow quest)
 * Amalgam: Simply follow the road south, up the mountain. Master Heyton is waiting.

After you complete Misery's Peak, he will say:
 * Amalgam: All is well,.
 * Amalgam: The land is thawing, and Master Heyton has returned to be with his people in Korthos. I remain here at watch, should the Dragon return.

If Lars Heyton dies in redemption he will blame your party and become an enemy

= House Cannith Enclave == When you talk to him, he will reply a single phrase:
 * Amalgam: This is my first trip to Xen'drik. I must confess that the way my fellow warforged are treated here disturbs me.