Curse of a Mother

Lily is scared enough to run away from home. 

But, Harry's father is not home.

When she decided to wore invisible cloak someone opened the door.

Lord Voldemort used the dangerous killing curse on the boy who is sleeping on the bed.

Lily knows Lord Voldemort tries to kill her child. She wanted to save her child Harry Potter forever.

To protect the child, Lily Potter came in between Lord Voldemort and spelt a rarest self-destructive pattern which saved Harry.

Lily dies by giving the rarest curse to Lord Voldemort which reads "You will live as long as my child lives."

Lord Voldemort took a back step by not killing the boy. The boy who lived has a lot to do further in the story.