Elemental Aftershock

You gain the following benefits:

• Increase the number of sorcery points you have by half your proficiency modifier, rounded up.
• Whenever you cast a spell that deals a specific type of elemental damage, you may spend 1 sorcery point to trigger an additional effect:
  • Poison or Acid: Reduce the Armor Class of each creature damaged by the triggering spell by 2 until the end of your next turn.
  • Lightning or Thunder: Large or smaller creatures within 5 feet of you must succeed on a Strength saving throw against your spell save DC or be pushed back 10 feet and knocked prone.
  • Cold: Reduce the speed of each creature damaged by the triggering spell by 10ft. for a number of rounds equal to the level of the spell (minimum 1 round).
  • Fire: Set one creature damaged by the triggering spell ablaze. At the beginning of each of its turns, it takes 7 ongoing fire damage until it uses an action to douse the flames