OC Emblem recruitment guide
Ashley: Visit the village in Chapter 4.
Tarif: Visit the house to the upper right of the Armory in Chapter 4. He will join automatically in Chapter 4x.
Selpan: Talk with Kirk in Chapter 5.
Eirika: Visit the house nearest to the deploy area in Chapter 5.
Manok: Visit the upper left house in Chapter 5, then have Matthew talk to Kanom in Chapter 5x and buy Manok for 2000 silver.
Aries: Talk to her with Matthew in Chapter 6.
Leonid: Joins automatically once Aries is recruited in Chapter 6.
Killian/Elsbeth: Talk to either of them with Matthew, will recruit both in Chapter 7.
Valentin: Talk to him with Killian/Elsbeth in Chapter 7.
Khix: Recruit Valentin in Chapter 7, then talk to Khix using Matthew or Elsbeth in Chapter 7x.
Krielle: Talk to her with Matthew in chapter 8, joins at the end of chapter if not recruited.
Emiko: Talk to her with Matthew in chapter 9.
Esera: Talk to her with Judmila in chapter 10.
Martin: Talk to him with Matthew, joins at the end of chapter if not recruited in chapter 11.
Nadia: Talk to her with Emily in chapter 12.
Nikana: Recruit Nadia in Chapter 12, then talk to Nikana using Matthew, Selpan, or Martin in Chapter 12x.
Ashiya/Seimei: Visit the village in Chapter 13.
Nalim: Have Selpan enter the grassy area in the middle of the building, where the shops are in chapter 14.
Waffles: Visit the western village in Chapter 18.
Lizabel: Visit the eastern village in Chapter 18.
Artemis: Automatically join at the begining of chapter 21
Amy: Talk to her with Matthew or Melina in chapter 22.
Valentina: Visit the east most village in Chapter 22.
Kay: Automatically join at the begining of the Final Chapter
OC Emblem Secret Shop Location
Chapter 8: There’s a throne, but the objective isn’t Seize. Hmmmmm…
Chapter 10/10x: Where does Link initially emerge from when entering Hyrule Castle’s courtyard in A Link to the Past?
Chapter 11: If you’ve played Advance Wars 2, it’s where the lab map was in the original map.
All credit go to Card on the FEU Discord server:
Chapter 13: It’s in the eye of the beholder. 
Chapter 14: Between the shops.
Chapter 15: See Chapter 8(The Secret shop is the Throne).
Chapter 15x: Why’s there a random inn high above the land?
Chapter 17: Upper right corner of the central room.
Chapter 18: Khajiit has wares, if you have coin. (Credit to Shuusuke in the FEU discord server for helping me find this in FEBuilder)
Chapter 19: See Chapters 8 and 15.(The Secret shop is the Throne)
Chapter 20: “Come and look upon the Heart.” -Dagoth Ur (Credit to Shuusuke in the FEU discord server for helping me find this in FEBuilder)
Chapter 20x: Say, where’d that Griffon Rider down south get his Delta Shield?
Chapter 21: Between the bridges, in the exact middle.
Chapter 22/22x: Where Chester and Mr. Hat’s shops were in Shovel Knight’s world map.
Secret shop number 1:
Secret shop number 2:
(Credit to Shuusuke in the FEU discord server for helping me find this in FEBuilder)
Chapter 23: “BEHOLD, Matthew the Selenian Prince! The SECRET SHOP-INATOR! …the objective’s not seize, I’m sure you know where this is going. I may have also misfired this thing and placed down another Secret Shop somewhere else on the map…”
Secret shop number 1:
Secret shop number 2:
(Credit to Shuusuke in the FEU discord server for helping me find this in FEBuilder)
Chapter 24: Within range of the Death Ray.
(Credit to Shuusuke in the FEU discord server for helping me find this in FEBuilder)
The list of completed supports include:
Yukiko & Yuro (A)
Rickson x Elowyn (A)
Skye x Kirk (A)
Kirk & Hikari (B)
Aries x Matthew (A)
Krielle x Matthew (C)
Martin & Matthew (B)
secret skill and items from Building Full support:
Rickson and Elowyn gain Swordbreaker skill when they have their A support
Yuriko get Fiery Blood skill after getting A rank support with Yuro
Yuro get Miracle skill after getting A rank support with Yuriko
Kirk gets an Axe Launcher after building A rank support with Skye
Kirk gets Alien Tech skill and Hikari gets Bowbreaker skill after building B rank support with eachother
Areis and Mathews A support reveal that Mathew made Aries his personal bodyguard.
Krielle gets Fus Ro Dah spell after getting C support with Matthew
Matthew and Martin get Strun Toor Diin spell after getting B support with eachother
Gaiden Chapter Requirements
4x: visit the house near spawn in ch4
5x: visit the house with the chicken rancher that gives you free nuggets
7x: recruit the thief
10x: get Elowyn to 30 or more HP
12x: recruit the swordmaster
15x: get Rosalyn to B rank bows
20x: find all ten growth boosters throughout the game since chapter 6
22x: unlocked automatically
