Dustin's compasses do not point to true north
Eleven dodges the question of where the gate is, then Dustin grabs every compass: a gate strong enough to bend magnetic north would also point the way.
Tag
#compass
2 moments.
The compasses loop back and Lucas accuses Eleven
The setting sun shows the party has walked in a circle; Lucas sees fresh blood on Eleven's nose and calls her a traitor, and she can only say it is not safe.