Great Mother Worm was the entity that leads and manipulates Great Worms in the Eienbez’s Dungeon. It was the being that represents the will of all colonies . Normally, this entity usually doesn’t get involved and instead remains in the colony that they spawn in.
The Mother Worm has rapid regeneration ability that allows her to heal in an instant.
A Mother Worm’s strength will increases as she lives longer. Her strength was higher than a Cloth Line’s defensive capabilities.