.png format.

The 3\files\character folder contains these subfolders:

These images are usually shown on the daily login bonus board, with 11 files in total.

• red: no meaning
• blue: character number(see appendix at the bottom)

Consists of images for all drawable adventurers and assistants. Note that some of the card files may locate in 1\files\character\lottery or 2\files\character\lottery.

• gray: says it's a image set for drawable cards (gacha)
• red: no meaning
• orange: adventurer or assistant
  • 1 = adventurer
  • 2 = assistant
• green: character number
• blue: which card of the character

For a single drawable card, it may contain 9, 10 or 11 files:

• all_rectangle: the full view of the card
• bustup_s
• hex: the image with hexagon mask. used for bonds to limit break a card at 6★ rank
• lottery
• lottery_upcut: shows the card partially when you draw and don't skip the progress
• status_l
• thumbnail_gacha
• thumbnail_rectangle: the image shows when you put the character into a unit without an assistant
• thumbnail_square
• thumbnail_square2
• white

Consists of folders for all characters.

• gray: says it's a image set for character when talking to each other
• red: no meaning
• blue: character number

These folders include 4 image files and a correspond .plist file for configuring the properties of the images.

• loginbonus: the image used on daily login screen(as far as I know, only Liliruca has this login bonus image)
• shadow: the silhouette of the texture(some of the characters don't have this)
• texture: the full view of the character. Shows when talking to each other on the street and feeding CP items. It's also used on INTERACT section and the official japanese walkthrough website (https://danmemo.boom-app.wiki/entry/characters-xxx)
• thumbnail_square

If you want to see portraits with different outfits, check novel_portrait

These images are shown when you use special attacks in a battle.

• red: no meaning
• blue: character number
• green: which card of the character

Consists of folders for all characters with a variety of outfits. These image files are used when watching a story.

• red: character (three English letters with lower case, which the structure is the same as the voice file)
• blue: outfit (inconsistent and trivial)

It consists of several image files and a a correspond .plist file for configuring the properties of the images.

• <character>_<outfit>.body: the full view of the portrait (only displays at half-length and most of them don't have facial details)
• <character>_<outfit>.<other>: all available expressions for this portrait focusing on the face only

If you want to use a specific portrait with individual expressions, it's better to cover the images manually.

• Some of .png files may be contained as RIFF format(you can find it through the preview in PowerISO or read it via notepad). If you want to modify the image with RIFF header, convert it to a real .png file to get rid of the gray background if using PhotoShop CS6. (ignore this if using GIMP)
  

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