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11 Kaldrix, styled Scourge Kaldrix in NCsoft's English announcement, is the final boss of Chalice of Muspel, the Sanctuary raid added to the Korean and Taiwanese service on May 27, 2026. The Korean name is 지저의 재앙 칼드릭스, the scourge of the underworld. Some English coverage renders the name as Kaldriks or Caldrix.
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34 Global service: Chalice of Muspel is in the global client's game data as of its September 18, 2026 snapshot, but NCsoft has not announced it for the global service as of October 7, 2026. Everything on this page describes the Korean and Taiwanese service.
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56 Rewards
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78 RewardNotesLava Heart Weapon (Extend)Weapon from the final bossLava Heart BarrierGuard from the final bossKaldrix BroochFor the Brooch slot introduced with the raid; the conversion recipe needs one Gear Change Voucher: Kaldrix since June 17, 2026Pet: Red DragonReward for the members of the first force to clear the raid
89 The first-clear event was measured by the time Kaldrix died. It was extended on June 10, 2026 to cover the first twenty forces.
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1011 The Encounter
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1213 Kaldrix is fought after the gatekeeper Iscariel, who drops no loot of his own but has to be beaten again on every new entry. Strategy write-ups for Hard describe a fight built on colour and lanes. At 75% and again at 35% health he raises red, green and blue shields while lines of coloured orbs travel toward him, and each player has to shift the orb in their lane to the colour of his outer shield; wrong colours deal heavy raid damage. At 50% the arena floods with lava and flight is unlocked for a phase of sweeping beams and a bouncing bomb. At 15% he channels a 42-second wipe cast while the raid destroys eight tethered orbs at the edge of the arena.
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1415 Korean strategy guides written after the first clears, chiefly one detailed guide whose author warned it may contain mistakes, add more structure. Most red zones put a mark over the player hit, and a marked player who is hit again before it fades wipes the raid. The colour-lane pattern the guides call the traffic light uses orbs that cycle red, green and blue in eight directions around the arena; one orb exploding badly hurts the raid and two wipe it. The second traffic light, at roughly a third of Kaldrix's health, doubles the lanes at four of the eight positions. Between them Kaldrix uses fire zones centred on a target, gather and spread patterns, a burning ball that bounces between nearby players, and front and back slams. Near 20% Kaldrix moves to the centre and raises eight fire essences with a timer of about 42 seconds while waves roll in from the edge, which matches the wipe cast described above. The guides stress that a force with enough damage skips some patterns, so the order varies between groups.
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1617 Skills Named in the Patch Notes
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1819 The Korean update notes name several of Kaldrix's patterns while fixing them, which shows how the fight is built (names below are plain renderings of the Korean):
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2021 PatternWhat the notes showBurning Order (타오르는 질서)Kaldrix shows a ring effect and summons Kaldrix's Servants (칼드릭스의 종복) that explode. Being hit by two servant explosions used to be instant death; that rule was removed on June 10, 2026, their hit areas have been shown as an effect since June 4, and their explosion damage on Normal was lowered on June 17Unbearable Heat (버틸 수 없는 열기)Fires flame projectiles and leads into Spreading Flames (퍼져나가는 화염); a June 10 fix stopped the Brand of Hellfire (업화의 낙인) mark from staying on players into that follow-upSpecial patternsHealth-threshold patterns take priority over the basic rotation; a June 10 fix stopped a sudden health drop from skipping themTargetingA June 4 fix stopped the skill order from breaking when the targeted player moved far away
2122 Since July 8, 2026 the monsters Kaldrix summons disappear when the fight resets or he dies.
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2324 Related Pages
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2526 Chalice of MuspelSanctuary RaidsGear and Progression