Solan'Sul , The Coming Dawn

A Cetacean (whale-like) creature with spines of light protruding from their body. Originally a Primal Spirit of Migration, they were changed by the energy around the Isle of Amanthyre. Changed by the Good of Fiona they now ensure the protection of Arawyn's creatures from Blight and other threats to Arawyn's Cycles. They furthermore protect the waters around Amanthyre from those who are not worthy as part of the protections of the Isle.
Solan'sul while good natured and protective does not seem to answer calls unless from those who have proven themselves as good and aim to take the path of the Dawntreader.