|Holotome Profile: Vivian Casterwill|
|Aliases||Lady of the Lake|
|Relations|| Nimue Casterwill † |
|Group Affiliation(s)||Casterwill family|
|Base of Operations||Crystal Caves|
|Hair Color||Golden Blonde|
|First Appearance||"Cave of the Casterwills"|
Vivian accompanied her grandmother to the Fortress of Iron Will to reunite with the rest of the scattered members of the Casterwill family. In the ensuing fight against the Blood Spiral, Vivian lost her grandmother, who sacrificed herself to protect the Casterwill family. As the next in line of the House of Blade Makers, Vivian became the next Lady of the Lake. Vivian was subsequently given the Ring of Mythras by Sophie Casterwill to hearten the young girl.
Vivian is a young girl who is afraid of the war going on between her family and the Blood Spiral yet, despite this fear, fights with bravery, wishing to help Sophie Casterwill. She has a courageous heart full of resolve, which allowed her to bond with Mythras, the Legendary Titan of Valor. She had a very strong bond with her grandmother, Nimue Casterwill.
Though young, Vivian knows the spells of the Casterwill family as a member of the House of Blade Makers. She has also bonded with the Legendary Titan of Valor, Mythras, who can defend Vivian in dire circumstances.
- In Arthurian legend, Vivian is one of the names ascribed to the Lady of the Lake.