Listening through a Door
|Perception DC*||Sounds the PCs Hear|
|Monsters’ Stealth check + 5||Monsters moving quietly around the room|
|5||Battle in progress, or agitated or dramatic conversation**|
|15||Normal conversation or ritual casting**|
|15||Doors opening or closing (and similar sounds)|
|25||Quiet conversation, whispers*|
|35||Battle preparations (weapons being drawn, and so on)|
* Add 2 to the DC if the characters are more than 10 squares away.
** If you succeed by 5 or more, and you know the language being spoken, you can understand what the creatures are saying.
Published in Dungeon Master's Guide, page(s) 37.