Regal Blade Opener
Similar to Beast of Burden, finding an early Regal Blade, let alone as your starting item, can be incredibly powerful.
By using Pygmalien's economic power with items like ATM, Cash Register, and more, you can really apply early pressure while setting yourself up for a scaled late game.
Look to buy and sell Weapons whenever you can - you can get a ton of value by targeting cheaper Small Weapons and visiting Curio when available.
Eagle Talisman Crit Stacks
Next up, you'll want to find ways to add Crit Chance to your Regal Blade. If you aren't able to, it'll be difficult to maintain your power into the late game.
Eagle Talisman are a consistent source you can find at level ups along with Blue Gumballs.
Giant Ice Club
Giant Ice Club is the trump card of this build as it can highroll to counter any build when you reach 50% Health.
It also serves as some counter tech since big-swing builds with 1-2 Weapons can typically get countered by Freeze, but this gets Charged when items are Frozen.