Manifestation
The Manifestation is a craftable Hardmode 
Spatial weapon that is made acquirable after Arbitration has been defeated.
When swung, the sword will create a large slash that can hit multiple enemies from a distance. If the sword is swung enough times toward an enemy, or if enough enemies are killed, this will cause a meter indicated below the player to activate E.G.O. Manifestation , allowing access to two abilities known as Great Split: Vertical and Great Split: Horizontal , inflicting massive damage to enemies within their corresponding directions (though only one ability can be used every 60 seconds). Additionally, the player will gain a small speed, damage, and defense boost, lasting until the end of E.G.O. Manifestation , which decreases immediately after activation. If the player is unable to kill enough enemies to make the meter last, E.G.O. Manifestation will deactivate, leaving the player immediately inflicted with the 
Vulnerability debuff for 10 seconds.
Its best modifier is Demonic, as it does not have any knockback, and thus cannot get modifiers that affect it.
In Game Description
This weapon has a unique damage type; inherits bonuses from all damage classes at 70% efficiency, but inherits 150% from critical strike chance modifiers .
Attacks rapidly sweep in a colossal arc; all critical strike damage is increased by 20%.
Taking or dealing damage grants Emotional Turbulence (Critical strikes grant double Emotional Turbulence below 200 HP).
Defeating foes increases Emotional Turbulence by 5% (doubled below 200 HP).
Once Emotional Turbulence is full, automatically gain the buff E.G.O. Manifestation while becoming Invincible for 2 seconds.
E.G.O. Manifestation grants 30% increased damage, 40% increased attack speed, and 90% increased movement speed, but reduces defense by 30.
If E.G.O. Manifestation is active, unique Great Split attacks can be performed.
Execute Great Split: Vertical with right click or Great Split: Horizontal with the Weapon Action Key (Both attacks share a 1 minute cooldown).
Great Split: Vertical will grant Invincibility for 1 second and deal 800% guaranteed close-ranged critical damage after a short delay.
Great Split: Horizontal will deal 300% guaranteed critical damage to all foes on the screen after a short delay.
Both Great Split attacks will execute any non-boss enemy below 30% HP and additionally refill Emotional Turbulence to full upon activation.
If E.G.O. Manifestation , Emotional Turbulence will passively decrease over time (Resets when not holding the weapon).
The longer E.G.O. Manifestation lasts, the faster Emotional Turbulence will drain.
If Emotional Turbulence is below 10% for 3 seconds, E.G.O. Manifestation will end and you will be inflicted with Vulnerability for 10 seconds.
Crafting
Recipe
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Trivia
- The Manifestation references Project Moon's games.
- The appearance is a reference to Mimicry from Lobotomy Corporation.
- The Manifestation's abilities are a reference to The Red Mist's keypage from Library of Ruina.
- The tooltip Let's start this for real-I'll crush you all references one of Kali's Combat Dialogue from Library of Ruina.
- The music which activates during Manifestation's E.G.O. Manifestation directly plays The Red Mist from Library of Ruina.
- The Manifestation is one of three weapons classified as Psychoment damage, the others being Der Freischutz and Paradise Lost.