The Imperium of Man expeditionary force's internal purge proceeded with ruthless efficiency.
This was a silent, agonizing war waged beneath the shadow of the glorious main battlefield, one that tested every warrior's nerves and Fealty to the Imperium just as severely.
As the four primarchs carried out their separate duties and coordinated the command of this necessary cleansing operation, their private communication channels received an incoming request at the same time.
The four of them connected almost simultaneously.
"Hello? Can you hear me? The line doesn't seem to have been cut off." Liang Bing's voice, carrying a touch of laziness and impatience, pierced clearly through the battlefield's clamor and whispers, sounding directly in their ears.
"The signal is clear, Lady Liang Bing," Sanguinius replied on behalf of the others, his tone steady.
"Good. Looks like the equipment upgrades worked pretty well. I just synced the real-time data Kesha sent back from the front, and something occurred to me. I figured I'd better give you a heads-up." Liang Bing spoke quickly, as though she were explaining a trivial yet necessary matter.
"When He Xi upgraded your people's gear, the built-in mental barriers were effective against ordinary low-level contamination. As long as you don't charge headfirst into the deepest part of the Great Rift to confront the source of the Abyss directly, or remain in a highly contaminated environment for too long, your soldiers can basically ignore scattered mental contamination below Level 4. They can also effectively resist Level 5 contamination—the kind emitted by the direct spawn of the Great Old Ones—without much trouble. But remember: if dizziness, tinnitus, bizarre hallucinations, or extreme emotional instability and loss of control occur, don't try to tough it out. Retreat immediately and get away from the contamination source! Resistance doesn't make you invincible. It needs