Navigator House Representative: Nasir Walker.
The Navigators' genetic mutations made them essential to Warp travel, but their power and corruption often sparked controversy. On the eve of the Great Rift, instability in the Warp led the Navigator Houses to demand greater privileges, stirring resentment.
Adeptus Mechanicus Representative: Orik Trask
The Adeptus Mechanicus monopolized Imperial technology, but its internal factions were deeply divided. On the eve of the Great Rift, Mars fell into crisis under a Chaos invasion, and the Adeptus Mechanicus representative was preoccupied with retaking Forge Worlds.
Ecclesiarch: Sabatier IV
On the eve of the Great Rift, the Ecclesiarchy became increasingly radical due to psychic awakenings and Chaos corruption. The Ecclesiarch had to balance religious fervor with pragmatism while dealing with the emergence of Saints and cultists.
Administratum Chancellor: Leander Hart
The Administratum was the core of the Imperium's bloated bureaucracy. On the eve of the Great Rift, it stood on the verge of collapse due to resource shortages and severed communications. The Chancellor often competed with the other High Lords over resource priorities.
Captain-General of the Adeptus Custodes: Trajann Valoris
The Adeptus Custodes had long remained in the shadows. Even if utter chaos reigned outside, as long as Chaos had not breached the Imperial Palace, they would not make a move.
Inquisition Representative: (Shadow)
The Inquisition usually intervened from the shadows. Fierce factional struggles raged within its ranks, and its representative had to ensure that the High Lords' decisions did not stray from The Emperor's will while concealing the true threats facing the Imperium.
Astartes Chapter Representative: Springer
Because Astartes Chapters were highly independent, this position was often held by a veteran Chapter Master. On the eve of the Great Rift, the Space Marines were busy dealing with the rise of the Chaos Legions, yet the High Lords