Notes from author
Challenge run build. The Warrior gives you more weapon options compared to a SL1 Pyro, and in turn removes the option to cast powerful pyromancy.
The Halberd gives good range and damage, and lightning is more versatile than chaos. The Gargoyle's Halberd would be better, but you'd be depending on a drop chance. You could also opt for a greatsword here, though they deal less damage than the halberds. Considering you'd have to two-hand it at all times, a shield is forgone in favor of a cestus as a very light parry tool. You could however opt for the Heater Shield and use it when necessary.
The elemental bow gives you good damage at range, but you have to pair it with fire arrows for it to work properly.
Armor choice can be whatever you want, but I went with something that'd give me a unique look with basic defenses and minimal weight as I prefer to have the Favor Ring and one free slot for versatility instead of having to resort to Havel's Ring. The ninja flip is there for more mobility without a shield, but it can be whatever you need.
Covenant choice is Darkwraith so you can suck humanity out of NPCs to boost your defenses.
