Forerunner feat thread https://forums.spacebattles.com/threads/forerunner-feat-thread.236388/ Precursor/flood feat thread https://forums.spacebattles.com/threads/precursor-flood-source-thread.264267/ UNSC feat thread https://forums.spacebattles.com/threads/unsc-capability-thread-wip-halo.361047/ Covenant feat thread https://forums.spacebattles.com/threads/covenant-capability-thread-halo.366142/ Note these threads don't have all known info about each faction but have the vast majority of it.