From Halopedia, the Halo wiki
After recovering from a near-fatal explosion during the Human-Covenant War, Jega 'Rdomnai brought the surviving hilt of his shattered bloodblade to Cherras Keep for reconstruction. Despite 'Rdomnai being ostracized from the rest of Sangheili society due to his usage of forbidden cybernetic body parts, the Sangheili of Cherras Keep agreed to assist him. They reforged the blade's hilt as Ghostpierce, which 'Rdomnai subsequently had mounted onto his artificial arm.
- Halo Encyclopedia (2022 edition), page 482
- Halo Encyclopedia (2022 edition), page 454