Description of the quest. this will look something like: We ran into a Decay Outbreak. Before we can proceed in our journy to Thornefield, we first need to destory the carrier before it turns into a Guardian.
Must have completed previous quest
Must be at least level 10
Must have 1000 gold
From the overworld map go to this place then enter the building name. A cut scene will play.
Once the cutscene has finished interact with the object in the center of the room to get the event item

Then do some other thing
followed by a final thing
Talk to quest person
Eample Item