Notes from author
A build in tribute to the mysterious entity "Xanthous Jeremiah."
Mostly for aesthetic purposes this build is extremely difficult to use without a secondary weapon. A +15 pyromancy flame coupled with the Bellowing Dragoncrest Ring will make your pyromancies a devastating offence, however, when those flames burn out, your whip will be a feeble fallback.
If this is a build you are interested in using I highly recommend finding a secondary weapon that you enjoy to make your journey's smoother.
This build is not particularly viable for PvE or PvP, however, if a secondary weapon is equipped, it may be surprisingly effective.
I have recreated this build in favor of another users suggestion that Xanthous uses his Pyromancies in his left hand. This build may not be 100% on par with Xanthous, but it's as close as one can be while still maintaining relative effectiveness in PvE.