Vessel of Hatred already looks like a game-changer for Diablo 4 before it has even launched, as the 2.0 update for the game set to release with the expansion promises some welcome changes alongside the brand-new expansion content. In the update's announcement released by Blizzard ahead of the 2.0 update's launch on the PTR, players can find details about some major system changes surrounding leveling, item quality reworks, the addition of the fan-favorite Runeword mechanic from Diablo 2, and more. However, newly uncovered information from the PTR's database reveals some interesting items that could lend credence to one of Diablo 4's biggest rumors.