The tank battle in 'Friends in High Places' is really memorable. The intense combat inside the moving tank, the sound of the guns, and the feeling of being in a real World War I armored vehicle are amazing.
One of the most memorable things in the War Stories of Battlefield 1 is the immersive atmosphere. For example, in 'Avanti Savoia', the Italian alpine setting is beautifully recreated. The snow - covered mountains, the narrow paths, and the tense battles against the enemy in that environment make it stand out. It gives a great sense of what it was like to fight in that particular theater of World War I.