Survivor Vestige Part A
Location: Ashen Cavern – Towering Crags
Head from the mistle into a large room of the cavern and drop down the ledge on the left. Follow the scaled path to reach a higher level in the cavern. At the top of the scaled path, take the left tunnel to enter a large room with concrete pillars. The vestige will be located to the right of the pillar in front of you next to some yellow and black spikes.
Survivor Vestige Part B
Location: Ashen Cavern – Ashen Cavern Entrance
From the mistle, head deeper into the cavern following the right tunnel. When you get to the split, take a right to end up in the open room of the cavern. Follow the right path coming to another split. Take the right path to head up to the middle level of the cavern. From there, take the ramp up to the top level of the cavern. Once there, take a left and jump off the ledge. Follow the path forward to arrive at another ledge overlooking the cavern. This ledge contains the vestige and a rotten mistle.
Survivor Vestige Part C
Location: Ashen Cavern – Accumulator Ruins
From the mistle follow the path along the left crack, working your way towards the northern part of the room. You should end up at a hole in the concrete, lined with yellow and black vines on the wall and blue vines on the ground. Facing this tunnel, head left and follow the path to find the vestige at the end being guarded by an enemy.