Calm, collected and polite but seemingly manipulative. She also wield authoritative tone over the Caren Series. Described by Erice as inhuman and someone who bring misfortune whenever she visits, she is seen to have control over Erice's well being - first by suspending Erice's job through Caren Fujimura's order issue, and then attempting to take the kid away from Erice whom she is assigned to look after. She also knows a lot more things that Erice doesn't about Mosaic City, although it may be Erice's conjecture for the time being. Erice sees her as a "person whom one should not expect family affections from".
Chitose has four Command Spells, one on each of her hands and legs. She wields a Conceptual Weapon of "Binding" called the Holy Nail (サクリ・キオディ Sakuri Kiodii), it's a replica of the nail that nailed Jesus Christ to the cross. The Holy Nail is generated from the Command Spells that are grafted on her hands and legs, a pile bunker wielded with bare hands. She was taught how to fight by Lancer.
Chitose is the only human in the world of Fate/Requiem who still has the old style of Command Spells where once it is used up it is gone forever. For everyone else, Command Spell usage is based on how much od is in their body and they regenerate over time.