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Corroded Decontamination Facility
October 2, 2026 at 03:51 AM
Initial version (2026-10-02)
Corroded Decontamination Facility is a Sanctuary raid in AION 2, called 침식의 정화소 in Korean. NCsoft opened it on the Korean and Taiwanese service on March 11, 2026 as the most challenging PvE dungeon in the game at the time. NCsoft's January 2026 roadmap already called it Corroded Decontamination Facility, a February 2026 announcement called it Sanctum of Erosion, and the March launch announcement and the game client both use Corroded Decontamination Facility, which is the current name.
The facility is a ruined Balaur base contaminated by experimental waste and abandoned test subjects, and the fight ends against the final boss Terminator Bargott. NCsoft gave the entry requirement as item level 3,700 at launch; the Korean service lowered it to 3,500 on March 18, 2026. Players who clear it can earn Hero and Unique items, including weapons and bracelets.
As of October 2, 2026, NCsoft has not published which Sanctuaries are open in the global build that launches on October 5, 2026. Everything on this page describes the Korean and Taiwanese service.
Order | Boss | Korean name | Notes |
|---|---|---|---|
First | Devouring Klawfly | 포식하는 뉴트라 | An insect boss with webs, poison and purple orbs collected in turn; stones it summons must be broken, all but one |
Second | Black Blood Blatt | 검은 피 블라트 | Hooks, pulls and bleeding, with a colour phase |
Final | Terminator Bargott | 중합체 바고트 | Bomb pattern; on July 1, 2026 the raid stopped wiping if only one bomb was left |
The Korean name of the final boss means Polymer Bargott; Terminator Bargott is NCsoft's English name. The first two names come from the game client's English data.
March 18, 2026: weekly attempts set to four; middle bosses drop the Erosion Box; the Corroded Afterimage Bracelet gained 2.5% damage amplification.
April 8, 2026: Kina from its Odyle Energy Cube rose to 2,000,000, and the Erosion Box gained Hero Tuning Stones.
June 4, 2026: respawn points moved past the toxic gas of the Waste Disposal Zone and to the front of the poison area of the Contamination Residue.
June 17, 2026: a recipe turns the Gear Change Voucher: Bargott and Kina into the Corroded Afterimage Bracelet.
July 1, 2026: middle boss rewards removed, everything paid from the final cube.
The Chapter 1 update on July 1, 2026 changed every Sanctuary: the attempt limit was removed, the reward limit became a final boss kill count of one per week with rewards doubled to compensate, the entry cost rose from 40 to 80 Odyle Energy, and the time limit was set to two hours. Since April 22, 2026 each boss room allows two resurrections in total, counting both skill resurrections and Resurrection Spiritstones, and the count resets when a boss fight starts, when the boss dies or when the party wipes.
