Some Discord scams are hard to detect unless you are told beforehand. Here is a warning from Sparky_the_chu’s server:

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If anyone says any of the following to you in DMs:
- Claims to have accidentally reported you with an image of a Discord support ticket
- Wants you to download their game demo they've suddenly been working on
- Says that typing your password into chat automatically censors it
They're probably hacked, and trying to steal your account too by phishing you. Do not click any links they send, do not accept any downloads, and don't do anything they suggest. Also, do not take screenshots of the chat if they contain any images, as there are some seemingly SFW images designed to sabotage your account as they are flagged by automated content filters. Just report them, and let mutual friends know of the situation if they're not already aware. If they are on your friends list, unfortunately your friend is unlikely to get their account back.

If they:
- Claim that a certain individual on your friend list is able to add themselves onto everyone's list just by existing
It's bollocks and you're more than likely totally safe.