While the new Spiritborn class introduced with Diablo 4's Vessel of Hatred's expansion has impressed with its unprecedented versatility and raw power, it's ultimately just another stepping stone toward a bigger and better ARPG experience. As Diablo 4 continues to move forward into its future, more expansions are likely on the way, along with even more new classes that will hopefully give the Spiritborn some friendly competition. The only question is what those classes might be.