A Warded Door

"An engineer, or an adept, has ensured this door will not open easily. Forge or Knock will defeat it."

- In-game description

 is an Obstacle appearing during Expeditions. Its Aspect is Seal.

Defeating
"This door has held fast for a long time. Unless we bring Forge or Knock, it will hold fast against us too."

- When encountering the obstacle

As told in the description, Followers with or  aspects can overcome this Obstacle with a probability depending on the aspect magnitude.

We call upon the Forge of Days,...
 * 1 < < 5: ... who remakes with fire. We carry light. We might be able to penetrate this Warded Door. It'll be a struggle. 30% chance of success.
 * 5 <= < 10: ... who ends what will not change. Our tools are ready. We should be able to penetrate this Warded Door. 70% chance of success.
 * 10 <= : ...who will end all nights. We'll almost certainly shatter this Warded Door. 90% chance of success.

We call upon the Horned-Axe,...
 * 1 < < 5: ... who bears two blades. We have some ability in the matter of opening. We might be able to penetrate this Warded Door. It'll be a struggle. 30% chance of success.
 * 5 <= < 10: ... who permits passage when passage is to be permitted. We are skilled in uncovering warded ways. We'll probably penetrate this Warded Door. 70% chance of success.
 * 10 <= : ... who waits at the threshold. We bear a great power of opening. We'll almost certainly shatter this Warded Door. 90% chance of success.

Success
"All doors must open, as all lives must end. This door has found its end here today."

- The Death of a Door (After success)

Opening the Warded Door will remove the Obstacle and continue the expedition.

Failure
"Doors have two purposes: to open, and to remain closed. Today, this door remains true to its second purpose."

- The Purposes of Doors (After failure)

Failing to open the Warded Door will not put your Followers in danger but will trigger a 30s timer after which another attempt can be made.