It is time to see if your efforts have earned you enough favour to convince the ice-giants to join your side against the Orcs and hobgoblins.
'Here is the plan. We are going to enter Thyrstáth, request an audience with the ice-giant chieftain, and attempt to sway them over to the side of the Gabil'akkâ. I am more warrior than diplomat, but I will do what I can! Keep your guard up in the event this goes poorly.
'But ${PLAYER}? Try not to start a fight... unless we really need one.'
Hórin is standing by outside the main keep of Thyrstáth.
You should talk to Hórin and engage in some dwarf-diplomacy by completing 'Instance: The Giant's Den.'
You and Hórin have found a hiding spot in a storage area in Thyrstáth.
You should talk to Hórin.
The ice-giants have allied themselves with the Frost-horde, and must be persuaded otherwise... by force if necessary.
You should complete objectives in Thyrstáth with Hórin.
You have disrupted the enemy forces in Thyrstáth.
You should talk to Hórin.
You have done what you can to disrupt the ice-giants in Thyrstáth.
You should return to Klúso near Bazan-medan.
Hórin can be called to your side with the summoning horn.
You should talk to Hórin.