Their profile may not load normally or may show limited information
You may not be able to send them direct messages
Existing message history may disappear or become inaccessible
You may not be able to react to their messages
You may not be able to mention them properly
Their status and activity may no longer appear to you
You may not see them in mutual servers the same way as before
Friend requests to them may fail
If you share a server, their messages may still appear, but interaction may be limited
Discord does not provide a direct blocked-by-you notification