Zafir leads the way into the cave, determined to be the one to confront Echo.
Sure enough, she’s waiting for them. She begs him to flee, and for the group to retreat, insisting that she won’t be able to stop Charon when he makes her fight.
Zafir refuses, insisting that they need the Pontifex piece back, and can’t leave without it. They delay long enough that the Soul Stitcher finally arrives, jerking Echo into motion. If they want the Pontifex Piece, they’ll have to take it by force.