Can we delete Frozen Mallet already?

Replace it with Entropy and buff its HP a bit.

They're basically the same item, only Entropy has worse stats and an inferior version of Frozen Mallet's passive as its active and a small true-damage burn tacked on.

With a few small adjustments, its the balanced version of Frozen Mallet that Riot wish they had for years. In addition, due to the rage passive and like stats, its unlikely to be picked up on most bruisers it wouldn't be absolutely core on since black cleaver and Entropy overlap a bit.