No, not a punishment, but for learning. That’s why it is called a lesson.
Lucifer wants you to know that you are a Divine creation, a God in waiting. Selling your soul reeks of weakness and religious programming. He might “hoist you on your own petard,” as it were, in order to show you your potential.
i don’t know about online tarot, but you could try putting in a request in the divination section asking for a reading about your pact. Don’t be impatient, but someone might be willing to do one for you in time.
You could also try this: