Post a screenshot of your map showing all of the altars for that area.
So far, everyone who has reported this and shown their map, had simply missed one.
To post screenshots:
- Upload your image to a site such as imgur.com.
- Paste the link to your image into your post.
- Select/highlight the link and click the “</> Preformatted text” button in the toolbar.
- Your link will look like this:
https://i.imgur.com/2fzVAF8.gif