Are there any tools to help you create a captivating intro for blog post?

It's boring. ...I think that's obvious, though. You're most likely starting in the wrong place. Write the first draft and don't worry about making any changes. On the second draft, read over what you have and start as close as possible to the place where Karrissa's life goes out of control. No backstory, no waking up in the morning and doing random things (b.o.r.i.n.g), no dreaming, no having breakfast. Start where the action is.