Carl persuades rival crawler groups to stop killing keyholders and cooperate on preparing every stairwell for mass survival.
The first relayed explanations fail because frightened crawlers distrust an untested theory. Some have already earned player-killer skulls, and Jurgen deliberately breaks a door before another group can escape.
Carl addresses the largest chat he can reach. He argues that killing one another serves the dungeon's death schedule and weakens everyone facing the ninth floor. He would rather take a shared uncertain chance than guarantee his own survival alone.
Katia, Elle, Li Na, and many others publicly join him. The cascade of commitments turns the excavation idea into a cooperative movement.
Hostile crawler groups lowering weapons while a global chat fills with pledges and stairwell diagrams.
The ceasefire supplies the labor and trust required for the mass-escape plan.