Hello @whispermystery, please you will need to write your introduction post before this Achievement one. To do so, you need to create a post in newcommers community that answers the following statements

Your name and age
A country where you reside now
Your area of work or your study
Your experience with crypto
Your hobby and passion, dislike
What sort of posts written by others are you looking for
What sort of posts do you think you'll be creating (these can change, so don't feel locked in.)
How you found Steemit and what you hope to accomplish here.

Then upload any image of yours where you are holding a paper where you have written your username, the current date of the day you want to publish the post and then "I love steemit"