However, due to her estranged relationship with her father and the death of her mother, Layla Heartfilia, she left home to follow her own path, which displays an ambition for independence.
Despite being a proprietor of the Spirits, she will not be tended to accordingly and instead wants to be called their friend.
Lucy's ability to summon her Spirits is limited by how much Magic Power she has to sustain them; the more and more powerful Spirits she summons, the more of her Magic is exhausted.