Some own theory from Lahabrea's Talk about "the echo's true power":
It has never been relevant in the story that there are a considerable lot of people who are gifte with the echo since the Agrius' fall. This might change: Hydaelin's Blessing is rather a hindrance to the Ascians, and if there are others with the Echo around... well, just a thought.
Plus, if the Echo's influence reaches that far, it might actually be the reason for the WoL to become 'to powerful'. Maybe the coincidence that Hydaelin's Champion is echo-gifted as well takes a turn for the worse?
