The master of the Nianwu Pavilion splits a piece of black jade into two, casting the Qingluo Umbrella and the black jade sword - Indigo and Forgetfulness. The Qingluo Umbrella is the princess's legacy, and it is a symbol of power and status, but it has no real function of use. As the spirit of the umbrella, Indigo is at a loss, knowing only that she is the Princess's belongings.

(Source: Baike Baidu)