Screenshots would be helpful. Show your highest Greater Rift successfully completed. This can be found in your Achievements → Seasons → Greater Rift tab.
Also, a screenshot from the Game Menu when it says Torment XVI (T16) is locked to your Character.
To post a link to your screenshot:
- Upload your image to a free image-hosting website, like Imgur.
- Paste the “Direct Link” to your image in your post.
- Select the link you just pasted and click the </> button on the Reply Editor toolbar.
- Click Reply.
Your link will look similar to this: https://i.imgur.com/6PIA4Ul.jpg
Also note: Season 18 will end this Sunday, November 10, 2019.