The lines that point to the Lady of Shallot's impending death are:
Out flew the web and floated wide;
The mirror crack'd from side to side;
'The curse is come upon me,' cried
The Lady of Shalott.
Explanation:
These lines come right after Lady of Shallot had been tempted and had broken the rule that kept her alive, She must not look at the window, but she could not help herself and then when the curse has come to collect she realizes that is time to pay for the terrible mistake of being weak and surrender to her wishes to look at the place where she was supposed not to look at
