21/23% Vaal Charged Dash [Synthesis]

No idea what this thing might be worth, any advice?

Rarity: Gem
Charged Dash
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Movement, AoE, Channelling, Attack, Lightning, Melee
Level: 21 (Max)
Mana Cost: 4
Effectiveness of Added Damage: 93%
Quality: +23% (augmented)
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Requirements:
Level: 72
Dex: 159 (unmet)
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Channel to project an illusion which you steer. You gain stages while it moves, until it stops at a maximum total distance. Waves of area damage frequently pulse along its path, based on your attack speed. Stop channelling to teleport to the illusion, dealing a final wave of damage.
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Deals 93% of Base Damage
50% of Physical Damage Converted to Lightning Damage
11% increased Attack Speed
60% more Attack Speed
Deals 150% more Damage while Channelling if Illusion has finished moving
Final wave deals 75% of Damage per stage
Illusion moves at 130% of your Movement Speed
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Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
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Corrupted