Last updated: X.31.7.0

The **Corruption Phantom** is the secret boss of the [Cursed Library](/wiki/cursed-library).
{{template-realm-eye-lore | response=That wretched scourge was a creation of Lord Ruthven, designed to destroy the wealth of knowledge stored here.
The infestation spread swiftly. Like most of Ruthven’s magic, it siphoned the souls of those unfortunate enough to be here when the plague struck.
The eyes that sought knowledge, the lips that spoke truth, the hands that parsed pages, all were mercilessly removed to torment them further. }} ##Contents - [Stats](#stats) - [Combat](#combat) - [Drops](#drops) - [Tips](#tips) ##Stats {#stats} HP: 20,000 (+20% [4,000 HP] per player in Dungeon) DEF: 0 EXP: 2,500 Location: [Cursed Library](/wiki/cursed-library) Immune to Stasis Immune to Stun Immune to Paralyzed Levitates above ground Counts toward God Kills Quest Boss [Back to top](#top)

Combat

Attacks

Damage	Condition effects	Speed (tiles/sec)	Range (tiles)	Comments
140	Sick for 2.4s	6	18	Passes Cover Pierces Players
50	Slowed for 2s	5.5	16.5	Passes Cover Shots Boomerang
160		5	50	Passes Cover Parametric Magnitude: 4

###Behavior The Corruption Phantom is found in a sealed room behind the spawn room. The room will only open once all of the pressure plates in the dungeon have been activated. The pressure plates' locations will be marked on the minimap after [Avalon the Archivist](/wiki/avalon-the-archivist) is slain. The Phantom is passive until attacked for the first time. Throughout the entire fight, the corrupted Realm Eye in the room's center will throw Sickening red bombs at any players that attempt to flee the chamber. ####Phase 1 The Corruption Phantom is initially invulnerable, tightly orbiting the room's center in a clockwise direction while firing a clockwise spiral of Corruption Bolts that inflict Sick. Its minions, the [Corruption Phantom Wisps](/wiki/corruption-phantom-wisp), will be active in this phase. The four variants of Corruption Phantom Wisps are spawned in 4 "waves". Once the current wave has been defeated, the Phantom will deploy the next wave while visually shrinking in size. * Wave 1: Charger * Wave 2: Charger, Stalker * Wave 3: Charger, Stalker, Watcher * Wave 4: Charger, Stalker, Watcher, Ravager Once all four waves of Wisps have been dispatched, the Corruption Phantom enters its second phase. ####Phase 2 Flashing red, the Phantom begins orbiting the room closer to the edges. It then becomes vulnerable and begins firing a 4-armed clockwise spiral of Corruption Bolts. While this is happening, it will also fire radial bursts of Slowing boomerang stars, as well as single, heavily damaging parametric orbs. Note that the Corruption Phantom will randomly change the direction of its movement and the rotational direction of its spiralling attack during this phase. Once the boss is killed, [The Realm Eye ](/wiki/the-realm-eye) is purified and the crack on the floor will disappear. The players can now ask The Realm Eye one question. ###Reproduction Summons:

Corruption Phantom Wisp Charger

Corruption Phantom Wisp Stalker

Corruption Phantom Wisp Watcher

Corruption Phantom Wisp Ravager [Back to top](#top) ###Drops {#drops} {{template-drop |purpleSpan=2 |purple= {{template-drop-row|first=true |item1={{template-item-link|page=weapons#tier-9|name=Tier 9 Weapon|externalIcon=/s/a/img/wiki/Weapon_T9.gif}} |item2={{template-item-link|page=ability-items#tier-4|name=Tier 4 Abilities|externalIcon=https://i.imgur.com/1yFFYLd.gif}} |item3={{template-item-link|page=armor#tier-8|name=Tier 8 Armor|externalIcon=/s/a/img/wiki/Armor_T8.gif}} }} {{template-drop-row |item1={{template-item-link|page=armor#tier-9|name=Tier 9 Armor|externalIcon=/s/a/img/wiki/Armor_T9.gif}} |item2={{template-item-link|page=rings#tier-4|name=Tier 4 Ring|externalIcon=/s/a/img/wiki/Ring_T4.gif}} }} |blue= {{template-drop-row|first=true |item1={{template-item-link|page=potion-of-vitality|name=Potion of Vitality|icon=Consumable/Stat Potions/Potion of Vitality.png}} |item2={{template-item-link|page=potion-of-attack|name=Potion of Attack|icon=Consumable/Stat Potions/Potion of Attack.png}} }} |cyan= {{template-drop-row|first=true |item1={{template-item-link|page=armor#tier-10|name=Tier 10 Armor|externalIcon=/s/a/img/wiki/Armor_T10.gif}} |item2={{template-item-link|page=rings#tier-5|name=Tier 5 Ring|externalIcon=/s/a/img/wiki/Ring_T5.gif}} }} |white= {{template-drop-row|first=true |item1={{template-item-link|page=necronomicon|name=Necronomicon|externalIcon=https://i.imgur.com/QAXXVL1.png}} |item2={{template-item-link|page=corruption-cutter|name=Corruption Cutter|externalIcon=//i.imgur.com/x6f6Wd8.png}} }} }} [Back to top](#top) ###Tips and Strategies {#tips} Circling in the middle is usually safe for the first phase, but beware of the minions that will spawn in. Kill them quickly to make the Phantom vulnerable. Then follow the phantom while keeping an eye on its shots - beware of sudden direction changes. [Back to top](#top)

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