Three months in and the Sunken Green had stopped being overwhelming.
It knew the stream and where it widened and where it narrowed. It knew which roots hid the small jumping prey and which patches of ground stayed wet long after rain and drew the slow crawling things out in numbers. It knew the spots where the canopy thinned and the large winged hunters could drop through, and it avoided those without thinking about it anymore. The forest had become a collection of known things and the spaces between them.
It had grown. Not by much, but enough that the gap between the two roots where it had spent its first night was too narrow now. It had a new spot further along the stream where a flat stone overhung the bank and left a dry shelf just above the waterline. Cool in the day, sheltered at night, and close enough to the water that the tongue always had something to read.
It was under the flat stone when the light came.
Not daylight. The sun had been gone for hours and the forest was fully dark, the canopy blocking even the moon. This light was different. It came from one direction, it was warm, and it moved in a way that nothing in the forest moved. It flickered. It pushed back the dark in a way nothing had done in three months and the tongue found heat coming off it that matched no living thing it had come across before.
It came out from under the stone.
The light was coming from deeper in the forest, through the undergrowth, past two ridges of root and a cluster of tall straight trunks. It moved toward it slowly, staying low, reading the air as it went. The tongue picked up several warm bodies near the light source, large, larger than anything it had learned to hunt. And underneath that, the smell of something that had recently stopped being alive. Blood and opened flesh, heavy in the cold air.
It stopped at the edge of the undergrowth where the roots of a large tree broke the ground into a natural barrier and looked through the gap.
Four of them. Tall, walking on two limbs, wrapped in layers of material that covered most of their warmth. They sat around the fire on fallen logs and flat stones, some holding things over the flame, one doing something with its hands that it could not make sense of from this distance. The fire sat in a shallow pit in the forest floor and burned steadily, throwing light out in every direction and turning the surrounding trees into long shadows.
It watched the fire for a long time.
The tongue kept reading it. Heat, and something chemical underneath, wood breaking down into something else, the smell of it sharp and new. It was not alive. It was not prey. It was not a threat. It was just a thing that burned and gave off heat and light and it had no category for that yet.
One of the creatures added something to the fire from a pile beside it and the flames pushed higher for a moment and then settled. The warmth coming off it increased and then leveled out. It read that too. The fire needed to be fed. It grew and shrank depending on what went into it. That was something.
Then one of the creatures made a sound.
The others responded. Sounds went back and forth between them, some short, some longer, some flat and some rising at the end. Not like anything the forest did. The forest made noise because things were happening in it. These sounds were happening because the creatures were making them on purpose, and the others were receiving them and sending sounds back.
It stayed still at the base of the root.
One of the creatures stood and walked to the edge of the camp where several dark shapes were piled on the ground. It crouched and picked something up and held it toward the fire to look at it. A small dense object that caught the firelight. The creature made a short sound and another one responded from across the fire without looking up.
It had no way to know what any of it meant.
But the sounds had a structure that the tongue kept trying to follow, patterns inside patterns, certain sounds appearing again and again in different combinations. It tracked them the same way it tracked movement in the undergrowth, the same automatic attention. Some sounds seemed to come up repeatedly no matter which creature was making them. Some only came from one of them. Some seemed to produce reactions in the others and some produced nothing at all.
It could not find the edges of any of it yet. But the patterns were there.
The fire burned lower as the night went on. One by one the creatures wrapped themselves in material and lay down until only one remained sitting up, making sounds occasionally that the others no longer responded to. It watched the last one for a while. The sounds it made when the others were asleep were quieter and came less often and eventually stopped altogether. Eventually that one lay down too.
The forest went quiet except for the low crackle of the dying fire.
It stayed at the base of the root until the fire was nothing but faint heat coming off dark coals and the tongue found nothing awake in the camp. Then it moved back through the undergrowth to the stream and the flat stone and coiled there in the dark.
The sounds the creatures had made kept running through its head, the patterns turning over, incomplete, meaning nothing yet.
It did not sleep for a long time.