Tank items should be gold efficient or close to it

This is the easiest way to address damage, partially. Just buff tank items.

Currently tank items are slot inefficient and naturally get out scaled which is fine, offense should win out in the late game. But tank items particularly the armor choices are 70%-80% gold efficient while offensive items are more than 100% good efficient even without considering their passives. A tank item purchased at the same time as Black Cleaver is already being out scaled.

Simple solution. Buff tank item stats. Its as easy as that; let tanks enjoy their power spikes and be able to bulk up properly for the early and mid game.