If you are seeing "weird" or "broken" text (like squares or symbols), this is usually a rather than a hidden secret. Are you trying to find a specific quote from an NPC, or The Lord of the Rings Mod: Legacy - Minecraft - CurseForge
Within the configuration files or the code itself, the creator (Mevans) and contributors often leave "interesting" notes or "Easter eggs." For example: LOTRMod v36.15.jar
: Improvements to how players receive messages and invitations within the game's social system. If you are seeing "weird" or "broken" text