Editing Trader (section)

==Opening times==
Once all of the specimens in any wave are all dead, the trader opens her shop for a brief window of time: 90 seconds on beginner [[difficulty]], or 60 seconds on any other difficulty. The open shop can be in any of a number of given locations, as indicated by a red arrow and a distance in the top-left of the [[head-up display]] for the duration of the wave preceding trader opening time, as well as during opening time, after which the arrow and distance readjust to the next trader location. 

By default, once all the specimens in a wave are dead, a red smoke path will appear to denote the fastest ''walkable'' route to the trader. Faster routes may be found by passing obstacles, though this frequently involves dangerous falls.

Interestingly, a trader location is indicated by an arrow and a distance during the final wave, although no red path appears once the [[Patriarch]] is dead, even if he was the only specimen at that time. Of course, this trader is impossible to access and any money the player has left after killing the Patriarch, including the bounty for the Patriarch itself, cannot be spent and is wasted.

Since the opening time between each wave is very brief, it is often advisable to end the wave near the location where the trader will open. This is often achieved by an agreement between players to leave the last few specimens in a wave alive until the party members are all close to the trader. This period of respite is often also used by players to heal team-mates and ensure that all their weapons are fully loaded. If a player is still inside the shop once the time has ended, they are transported to just outside the shop doors with a warning message: "You can't stay in the shop after closing."