Sunlight Sensitivity. The Silver Worm moves through direct sunlight as though it were difficult terrain. In addition, it loses its damage resistances while in direct sunlight.

Creature of Darkness. The Silver Worm's movement speed doubles in dim light or darkness.

Burrow. The Silver Worm burrows into any creature occupying the same space, dealing 2d6 piercing damage per round and grappling the creature. The creature can end the grapple by removing 1d6 of the worms from their body individually using a DC 15 strength check.

Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., 1 target. Hit: 8 (1d6 + 5) [piercing] damage.

Engulf. If any creature enters the same 5 ft square, the swarm automatically grapples the creature and can take the Burrow action. The creature can Attack and make strength checks to break the grapple, but it cannot move out of that square. The creature move freely by making a DC 14 Acrobatics check, but will have 1d6 worms embedded in their body and will be under the effects of the Burrow action.