1. With Discord open, locate the comment you want to reply to. 2. Hover your cursor over the comment so a bar of icons appears to the right of the message. In this bar, click the arrow icon — or ...

You can also use the dedicated spoiler button on Discord. This button appears in a popup when you highlight text in a message ...

Discord has released a new feature called "Ignore" that gives users a new way to make someone stop interacting with users. This feature is being rolled out to every user and should be available soon.