Alchemical Bomb

Using your knowledge of alchemy and a fragment of your magical reserves, you combine a specially prepared and empowered catalyst with a pre-mixed alchemical compound, creating a short-lived, extremely volatile, alchemical bomb. Once mixed, the bomb remains potent until the beginning of your text turn, after which it becomes inert. You may prepare and throw the bomb as a single action, and you may choose to target a creature or a space within range.

If targeting a creature, it must make a Dexterity saving throw against your spellcasting DC. If successful, the bomb misses and deals no damage. If the target fails the saving throw, the bomb scores a direct hit and explodes, inflicting 1d10 force damage to the target. Additionally, if the bomb hits its mark, all other creatures within 5 feet of the target must also make a Dexterity saving throw against your spellcasting DC to avoid splash damage. Any creatures who fail that saving throw suffer half the same damage that was dealt to the direct target. Any creature who successfully saves does not take this damage.

If you choose to target a space rather than a creature, the bomb explodes in the chosen space. All creatures in the area of effect, including the targeted space, must make the same save against splash damage described above. None of the creatures are considered a direct hit and all suffer half of the direct hit damage value if they fail the save. On a success, a creature is dealt no damage.

The bomb’s base damage increases by 1d10 when you reach 5th level (2d10), 11th level (3d10), and 17th level (4d10). You also choose to amplify the power of the bomb by expending a spell slot. When rolling damage, you may spend a single spell slot and add 1d8 to the bomb’s damage for each level of the spell slot used.

Optional Rule: If a bomb misses its intended target (the creature succeeds on its Dexterity save), you must roll a 1d8. assign each number on the die a direction clockwise around the intended target. The bomb impacts a space 10 feet away from the intended target in the assigned direction and detonates. Treat the result as though the alchemist had intended to target that space. All creatures in the area of effect should make saving throws accordingly, potentially including the originally intended target (make a second saving throw for the target to avoid the splash damage in this case)