- Pearl Slug x1. Inside a chest on the ground floor of the building.
- Upper Cathedral Ward:
- Pearl Slug x2, Orphanage Mezzanine near a patrolling Brainsucker.
- Chalice Dungeons.
- Can be purchased from the Insight Bath Messengers for 3 Insight, after obtaining Great Isz Chalice.
- Used to create all Isz Chalices:
- Three (3) are always required.
- The Pearl Slug appears to resemble a younger variant of the Augur of Ebrietas.