Fury of Tempest

What if Falmuth won? What if Rimuru plans to return to tempest a week late and is never informed of Tempest's attack. Rimuru, after fighting Hinata, returns to Tempest to see most of it already destroyed, and most of his friends dead. An angered Rimuru unleashes his full fury onto the Falmuth forces occupying Rimuru City, awakening as a new Demon Lord, and as the Storm King of Jura