The watchtower was quiet between them with the city below and the wall below that and five blocks southeast the things that could think sitting in whatever remained of the park and watching the building with their unblinking attention.
"They can count," Michael said.
"They can observe and respond to what they observe," Cole said. "Whether that's counting or a cruder version of the same thing I don't know. But they moved when the building appeared less defended and stopped when everyone came back." He paused. "That's not instinct. That's strategy."
Michael looked at the signatures for a long moment.
"Defense meeting at ten," he said. "I need you in it."
"I'll be there," Cole said and went back to looking at the city and Michael went down to find Gareth.
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