Depiction in Books Edit
Deep Blue Edit
Thalassa is shown to be the powerful teacher of Serafina, she offers advice to Serafina and helps her by pulling a Bloodsong and showing the principessa her past, where her future as a mage was doubted by others. After the attack on Miromara she was taken by Traho and was held captive, while she was stuck there her fingers were removed. Thalassa was saved by Serafina, Neela and members of the praedatori however she put herself at risk by buying the others time. Serafina then assumes that Thalassa had died.