Toa: Tahu Nuva
The village of Ta-Koro rises from the Lake of Fire near the mighty Mangai volcano. Its people live within dwellings made of cooled lava and work the lava fields to the north A small lava stream flows through the village, providing it with heat. When they are not at work, the Ta-Matoran surf the lava rapids.
Source: The Official Guide to BIONICLE