Originally posted by Suzaku:

Those aren't custom announcements. Those are raid events, where the game will send a group of monsters to attack the player for a period of time. The potential raid type is based on defeating certain enemies and bosses.

No no I know what they are XD but I've also seen in the same way "Usernamehere thinks being in a hole is unwise" lol

Originally posted by Jaggid Edje:

Probably using a mod if you actually mean custom raids and not the default ones that are part of the game.
https://www.nexusmods.com/valheim/mods/278
https://www.nexusmods.com/valheim/mods/988

Originally posted by FissionChips:

The Custom Raids mod also allows you to edit default raids. Or remove raids entirely. Or increase the frequency of raids. It's pretty versatile.

I'm not looking for custom raids I was looking to type those messages and get them to display the same