What should I upgrade first for my CF Champ?

Corrupting Fever

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Volatile Dead

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Flame Dash

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Detonate Dead

Wand CoC Poison Dark Pact Trickster

Tornado

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Exsanguinate

CORRUPTING FEVER CHAMPION - T16 SHOWCASE [PATH OF EXILE 3.19]

Corrupting Fever

Beginning to Min Max CF KB champ looking for feedback

Corrupting Fever

[Insert Wand Attack] COC Blazing Salvo Inquisitor

Kinetic Blast

Dual-Wield Poet's Pen Lightning Conduit + Lightning Warp – An Oldschool Build with Some New Tech

Lightning Conduit