The Sacred Promissory was a Covenant munitions factory in the lower districts of High Charity, responsible for the development of most Covenant needle-based weaponries[1], such as the Needle rifle[2] and the Needler[1]. In later periods, they expanded their manufacturing scope for all Jiralhanae matérial such as the Spiker[3], the Brute Shot[4], the Gravity Hammer[5], the Brute Chopper[6], and the Prowler[7].
Sources
- ^ a b Halo: The Essential Visual Guide, page 128
- ^ Halo: The Essential Visual Guide, page 127
- ^ Halo: The Essential Visual Guide, page 186
- ^ Halo: The Essential Visual Guide, page 24
- ^ Halo: The Essential Visual Guide, page 82
- ^ Halo: The Essential Visual Guide, page 31
- ^ Halo: The Essential Visual Guide, page 150