This puddle of gray sludge oozes forth as if alive.
AC 20, touch 20, flat-footed 18; (+8 size, +2 Dex)
Speed 20 ft., climb 20 ft.
Str 1, Dex 15, Con —, Int —, Wis 10, Cha 2
Environment any land
Consume (Ex) Gray goo can rapidly consume any creature or organic object it swarms over. Against helpless targets, nauseated targets, and unattended objects made of organic matter (such as bone, cloth, or wood), gray goo deals 6d6 points of damage.
Disease (Su) Assimilation: Swarm—injury; save Fort DC 15; onset 1 hour; frequency 1/hour; effect 1 point of Con damage; cure infected creature suffers 1 or more points of electricity damage. Any Medium or larger creature killed by assimilation rises as a clockwork zombie (see below). The save DC of assimilation is Constitution-based.