The Kalmat evolved on a volcanically-active planet. They are tardigrade-like creatures that rose to sentience.
The volcanic nature of their world made only the most robust of life, like the Kalmat battle violently for sanctuary in the earth. The Kalmat developed sophisticated monitoring and communication abilities, becaming masters of machine learning, often integrating cybernetics into their physical forms.
- Endless Space 2: Penumbra (2019)