This tutorial will explain how you can get the Tight Squeeze trophy in Jeanne d’Arc.
This will unlock when you complete the Langles Tunnel for the first time, which should appear on your map after you complete the 25th stage of the campaign.
The tunnel is a small arena with seven enemies you need to defeat. The only real challenge is getting the two treasures before defeating all of your enemies.
To get all the treasures before beating the stage, send a group to take care of the Golem at the opposite end.
The other group should clear a path to the treasure from the group of enemies located near the entrance.
Afterwards, steer clear of the remaining enemies from the starting point until you defeat the Golem and get the treasure at the opposite end of the tunnel.