Ruins Achievements Walkthrough: Fallen Makina And The City Of

Wait until the end-game. Buff Makina’s attack power and use her ultimate skill against an enemy that has been debuffed with "Defense Down." Side Quests & Collectibles The City’s Historian

In (before final elevator):

See her first scene in DePaul's room (after the floor 6 boss), then find her in the underground brothel after the third event. That's One Way to Negotiate fallen makina and the city of ruins achievements walkthrough