Exploratory circuit with two equivalent diagrams of a 4-stage Cockroft-Walton voltage multiplier. Throw the switch to compare the two!
Arc lighter pulses 5 kV DC at 18 kHz, based on audio recordings and maximum spark gap.
Check my other model for the 10-stage tower I've wired up: https://everycircuit.com/circuit/5252952337678336
Based on Plasma Channel's DIY Lightning Tower:
https://www.youtube.com/watch?v=YYKlfFYTl-8
Arc lighter info from bigclivedotcom:
https://www.youtube.com/watch?v=4aK1GK1KBGc