This Flames Of Phlegethos 5E Feat can be found in the Xanathar’s Guide to Everything book. Tiefling is required to be eligible for this feat. This feat allows one to summon the hellfire to fulfill your orders. This feat can bring you the following benefits:

  • This feat can be used to increase your Intelligence or charisma score by up to 20.
  • If you roll fire damage for any spell that you cast, you can also roll any roll of 1 damage dice. However, the new roll must be used even if it is another 1.
  • Casting a spell dealing with fire damage can set off flames on you until your next round. You and your possessions will not be damaged by the flames. They will also shine brightly for 30 feet and dim for 30 feet. You can still see the flames and take 1d4 damage to any creature within 5ft.