The Alpha Bear
Go to the quest marker to begin The Alpha Bear side-quest.
Speak to Rogar about their small problem. Tell him you will take care of it.
Go to the indicated area on the map to find the cave.
Enter the Bear Cave.
Inside is a short but beautiful place covered in ice.
Go to the end and you will find Pyros. Defeat it to lower the aggressiveness of the local bear population.
Return to Rogar to complete the quest.