Collect 8 Masks of Doubt.
- Mask of Doubt × 8
The sha may seem unstoppable, but this is not true.
Their masks seem to be the source of their power. When a sha and its mask are separated, the creature's essence is banished back to its own realm.
Bring me intact masks, for I wish to study them further. Do be careful. I'm sure the sha will not part with them easily.