My concept for what an Overloading Worm boss item could be - a variant of the Molten Perforator that is lightning-y : r/riskofrain

Dr.Wu & Mechanic Studio Extreme Warfare DW-E01 Destroy Emperpo (Galvat – TFSAFARI

Risk of Rain 2 Overloading Worm Rolling Thunder Challenge - GameRevolution

Magma Worm, Risk of Rain Wiki

I found out how to unlock the Kill the Overloading Magma Worm achievement as The Loader (info in the comments) : r/riskofrain

Slagwurm Armor (Mirrodin) - Gatherer - Magic: The Gathering

Overloading Worm - Risk of Rain 2 Wiki

Molten Perforator - Risk of Rain 2 Wiki

Achievement Stats » Profiles » Pandoron

Overloading Worm, Risk of Rain Wiki