What are the best Arknights Endfield blueprints? Below, we'll take you through all the best Arknights Endfield blueprints we've utilized so far in the free PC game. Ultimate Late Game Base A: EFO01iOe7u5E0O2472U4Ultimate Late Game Base B: EFO01Iao8U10Oa905o08Ultimate Late Game Base C: EFO012I450uoiI8EeIOoUltimate Late Game Base D: EFO01893ui06291oUi73Ultimate Late Game Base E: EFO010U9657AuUiiE179Ultimate Late Game Base F: EFO011ea02i78eU134O7Sub-PAC Setup: EFO019A61OUiIAeI5uI2'The factory must grow' isn't just a phrase, it's a mantra, a way of life. How to import Arknights Endfield blueprintsImporting Arknights Endfield blueprints is super simple, and requires only a few steps to get you set up. If you're after a different type of string, check out our Arknights Endfield codes guide for the latest freebies.