item or device

Shield Crystals

Summary

Shield crystals are Barrier-linked crystals, pylon components, keys, figurehead motifs, and underwater mission objectives.

A shield crystal was used by Geldrin as a key to open a locked trapdoor.
Sickness near pylon cities may resemble shield crystal colour or effects.
Geldrin’s crystal shard caused a stronger smaller Barrier flicker effect near Seaward.
A wooden shield crystal figurehead appeared on the Pride of the Penta Cities.
The underwater shield crystal on day 22 was approximately one metre square.
The sea shield crystal was one major priority for Pact and Barrier repair.
Day 32 shows Xinquiss in Hartwall with a shield crystal; the party agreed to drop off a piece, and Wroth later helped hide the crystal through a trapdoor.
Day 57 Infestus’s wife gave the party a powerful charged shield crystal and scrolls before sending them to Brass City.
Day 57 Brass City lore says a body was being crafted out of shield crystal as a focusing crystal and stored in one of the four great minarets.
Day 57 an Earth-plane table held a shield crystal identified as a piece of Tremon.
Day 57 Envi’s control over crystals and Azar Nuri’s interest in the crystal body make shield crystals part of the current body/godhood threat.

day-06: Shield crystal is used as a key and tied to sickness questions.
day-13: A crystal shard interacts with Seaward pylon flickers.
day-17: Sea shield crystal becomes a priority.
day-22: The party fights at the underwater crystal site and recovers loot.
day-32: Xinquiss and Wroth hide a shield crystal piece in Hartwall while Justicars search for Xinquiss.
day-57: Brass City reveals a shield-crystal body/focusing crystal, a Tremon piece, and Envi’s crystal control.

Are shield crystals batteries, regulators, keys, toxins, or all of these?
What is the underwater crystal’s current status after the mission?
What shield-crystal piece did the party give or hide with Xinquiss, and why did the Justicars want him?
Is the Brass City shield-crystal body a prison device, focusing crystal, godhood vessel, or body for Tremon / Azar Nuri?