Here is a guide on how to Farm Armor Scraps in Death’s Gambit: Afterlife.
How to Farm Armour Scraps
Note: Please, remember: This guide only works after you start to spawn purple enemies everywhere.
Go to the save point before Origa Boss. See in the map.
After climb the stairs, go to the left to see the priest’s enemies.
Kill it for one armour scrap.
If you don’t have puple enemy here, kill it, save and back.