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11 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.
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44 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.
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66 Global service: The global client's game data, as of its September 18, 2026 snapshot, contains this Sanctuary, but NCsoft has not announced it for the global service as of October 7, 2026. Everything else on this page describes the Korean and Taiwanese service.
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88 At a Glance
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1010 DetailValue (KR/TW)Korean name침식의 정화소TypeSanctuary (ten-player raid)OpenedMarch 11, 2026 (moved from February 25)EntryItem level 3,500 since March 18, 2026 (3,700 at launch)Cost80 Odyle Energy per entry since July 1, 2026Weekly limitOne final boss killBossesDevouring Klawfly, Black Blood Blatt, Terminator Bargott; a Surveillance Device must be destroyed on the wayMain rewardsCorroded Ruler weapons, Corroded Afterimage Bracelet, Erosion Bracelet, crafting materials (official guidebook)KinaTradeable (official guidebook); 2,000,000 from the cube since April 8, 2026
1111 The facility has named zones that matter for respawns. Since June 4, 2026 a player who dies after crossing the toxic gas of the Waste Disposal Zone (폐기물 처리구역) respawns at the gas zone's exit, and one who dies after crossing the poison of the Contamination Residue (오염 잔류지) respawns in front of that area. The start-area portal was removed and kisks were banned throughout on May 27, 2026, and its Vitality Drain (생기 고갈) effect was removed on April 22, 2026.
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1313 Bosses
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1515 OrderBossKorean nameNotesFirstDevouring Klawfly포식하는 뉴트라An insect boss with webs, poison and purple orbs collected in turn; stones it summons must be broken, all but oneSecondBlack Blood Blatt검은 피 블라트Hooks, pulls and bleeding, with a colour phaseFinalTerminator Bargott중합체 바고트Bomb pattern; on July 1, 2026 the raid stopped wiping if only one bomb was left
1616 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.
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1818 Boss Mechanics
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2020 Korean strategy guides by different players agree on the main patterns of the first two bosses:
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2222 Devouring Klawfly
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2424 At 75% and 25% health it calls stones down from the sky and numbers players one to four; it then fires area attacks in that order, which players use to destroy the stones, and the party hides behind the last stones when Klawfly moves to the centre. Leftover stones melt into poison pools.At 50% eight orbs travel outward from the centre and players take them one at a time while they are purple; a red orb explodes.It burrows and follows the player it is aggressive towards, leaving poison, and webs can pull players toward the poison under it.
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2626 Black Blood Blatt
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2828 At 75% Blatt calls out red blood or purple light in a set order, and players step on tentacle zones of the called colour before two raid-wide attacks; a projectile hit removes the colour.At 25% four survival circles appear, each holding a slime. A slime at full health explodes and a dead slime turns into a survival circle. Blatt spits purple venom that binds players and bursts slimes, and blue venom that heals; pairs keep their slime below half health and kill it just before the attack lands.A crossing grab and arena-edge attacks; since April 22, 2026 one attack only needs two players to share it instead of three.
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3030 Terminator Bargott
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3232 The final boss is a bomb fight with numbered charges, chains, flash bombs and a final bomb-clearing pattern. See Terminator Bargott.
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3434 Rewards and Changes
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3636 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 Sync 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.
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38-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.
38+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 character has two resurrections per boss room, 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.
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4040 Related Pages
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4242 Abyssal Forge: LudraChalice of MuspelSanctuary RaidsDungeons