Suggestion: Split Brutalizer into 2 items

One that gives AD/CDR, one that gives AD/Flat ArPen.

Brutalizer's stats are too self-synergistic, it makes AD casters super snowbally and doesn't let them have nice lategame itemization (especially for CDR). Splitting it up would also give the opportunity to clean up some item build paths, for example Essence Reaver doesn't have to compete with Blood thirster for lifesteal and can become its own "I'm AD and I want to spam spells".

It could also potentially open up some build paths for AD itemization for AD assassins like Zed or Rengar, so you don't have to load up their kits with extraneous tools or ridiculous AD ratios and can instead regulate their burst off some item active or proc.

Thoughts?