This Seeking Tech guide will show you how to earn the We Stand Together trophy in Jeanne d’Arc.
You will need seven party members standing next to each other when the enemy attacks. It should unlock when the United Guard ability is activated.
The earliest opportunity to get the trophy is in the Altois Praorie. This Free Combat level will unlock when you beat the 12th stage of the campaign.
When you first get to the level, put all seven members of your party on the north side. Afterwards, make sure that you move your party towards the crow enemies. Each party member should be adjacent to one another.
If you managed to get United Guard for all seven members, then you should unlock this trophy.