If it doesn't appear, it may be that there are not enough soul stones. As long as there are enough soul stones, it will generally appear, or the hero of the star merchant raccoon has 5 stars and cannot be redeemed.
If it does not appear, there are mainly the following reasons: the number of soul stones is not enough, as long as the number of soul stones is enough, it will generally appear; Hero raccoon, interstellar businessman, has 5 stars and cannot be redeemed; Bad character; If there are enough soul stones and raccoons don't have five stars; Then the way to improve the appearance of interstellar merchants is: don't scan elite copies, awakening equipment and soul stones are all played by hand.