Yes, there have been indications everywhere that have foreshadowed their revival. You should know what those signs are in order to find their Memory Fragments.

According to what my Crystal Ball has shown me, the ice in which the heroes were sealed has started to crack as the curse weakens.

You'll be able to find the Ice Shards near town. That would definitely help you find their Memory Fragments.

You mean you're ready to give up on finding the Aran Memory Fragments?

If you spot an Ice Shard while passing by the Hunting Ground, don't just ignore it!