Feat: Lingering Bomb

You can mix slow-burning fuels into your alchemical bombs that deal persistent damage, making their effects linger. When you Strike with the bomb, it deals no damage on a direct hit (though it still deals splash damage and applies other effects such as saving throws); you can also Strike an empty space with the bomb, automatically succeeding on your attack roll. On a failure, success, or critical success, the bomb's contents spread in the target's space, creating a lingering alchemical flame. The first time a creature enters the flame on its turn or starts its turn in the flame, it takes damage of the same amount and type as the bomb's persistent damage. The flame lasts for 1 minute or until an adjacent creature uses an Interact action to smother it.