Summary
The Congealed is a secret-leaning boss reference in the database, tied to the abducted internal boss entry.
How the fight goes
Because the encounter is hidden in the source data, the page should stay careful and avoid pretending the full route is settled.
Attack patterns
Expect an unusual secret-boss setup rather than a standard region encounter.
Spoils of the fight
This page exists to preserve the hidden boss reference and keep the route index complete.