Say you attack an object with a normal non-magical weapon to damage an object, and you roll a natural 20. Do you roll double damage against the object's hit points? Or are objects immune to critical hits from normal weapons?
[RPG] Are objects subject to critical hits
critical-hitdamagednd-5eobjects
Best Answer
They are subject to critical hits!
The Dungeon Master's Guide (pg. 246) section on Objects never specifies that objects are immune to critical hits. It gives you, as the DM, suggestions of AC and hit points for the object based on its material and size. The "Statistics for Objects" section says:
In addition, the rules for critical hits on the Player's Handbook never specifies that objects are immune to then. Page 196 says (emphasis mine):
The "target" term includes objects, creatures, and other things as well (like illusions). One of the questions answered in the Sage Advice Compendium supports this statement:
Finally, when you hit an object using a melee weapon or ammunition made/coated with adamantine (which doesn't mean they are necessarily magical, see this Q&A), the attack is always a critical hit (Xanathar's Guide to Everything, pg. 78):