The terrifying third and final stage of the DTs — mobs transformed into tentacled, Krakaren-like horrors.
Stage three is the dreaded final stage of the DTs, and Carl gets his first look at it as the Vermillion rescue leaves station 101: mobs marked with blinking red exclamation points, transformed into bear-sized, skull-faced horrors sprouting thick tentacles from their backs. Unlike the thin parasitic tentacles of the third floor's mold lions, these tentacles are integral to the creature — grotesquely Krakaren-like — and they grasp at the train doors as the monsters leap after it. They pour onto the platform as the last crawlers flee, a new escalation of the floor's monster engine whose full endgame form is still unknown.
A bear-sized, skull-faced mob transformed by the DTs, thick Krakaren-like tentacles erupting integrally from its back, a blinking red exclamation-point buff overhead.
The final DT stage — a tentacled horror escalating the floor's ghoul threat.
Also appears in books you've already read — spoiler-safe to their endings: