Tephra Cave

Tephra Cave is a region located in the right leg of the Bionis. It connects Colony 9 to the Bionis' Leg. Much of Tephra cave remains unreachable until the Mechonis Core events.

Ground Floor

 * Caterpile Nest
 * Escape Pod Bay
 * Forgotten Cave
 * Hidden Warehouse
 * Tephra Cavern
 * Warehouse 2

First Floor

 * Bone Corridor
 * Emergency Warehouse
 * Prayer Room
 * Soothsayer Crypt

Second Floor

 * Arachno Feeding Lair
 * Arachno Queen's Nest
 * Kneecap Hill
 * Path of Absolution
 * Trader's Stopover

Ground Floor

 * Mag Mel Ruins
 * Rear Entrance
 * Spring of Grief
 * Tephra Path

First Floor

 * Bafalgar Tomb
 * Vilia Lake

Second Floor

 * Heavenly Window

Third Floor

 * Leg Pass