Cursed by the Draconic Ring

A powerful cursed ring has melted un your hand, cursing you with the elemental power created from the legendary evil mother of the dragons. It is a curse that slowly is taking your sanity apart, you now have to learn how to control it or to get rid of it. For now, your efforts controlling it, has given you the following features:

• Chaos Elemental Bane Roll: Effects from features of this feat may require you to roll 2d10, take one of the results and aply on the following chart: 
  1. Acid
  2. Cold
  3. Fire
  4. Force
  5. Lightning
  6. Necrotic
  7. Poison
  8. Psychic
  9. Radiant
  10. Thunder
• Whenever you gain a chaos counter, your DM may ask you to make a Wisdom or Charisma (wichever is higher) saving throw (DC 7+the amount of chaos counters you have). On a fail, you become insane for 1 minute. While insane, you randomly attack creatures withing range, if you can't, you use your action to take the ready action to hit the first creature that would enter your reaches.
• The first three rounds during combat, your arm loads your weapon attacks. Whenever you hit a creature with a weapon attack, you may have the creature hit be dealth 1d4 additional damage. To determine the damage type of the additional damage, make a Chaos Elemental Bane Roll. If you do, you gain one chaos counter.
• Once per long rest, by gaining three chaos counters, you may make a special attack using your weapon, each creature withing the special attack's area must succed on a dexterity saving throw (DC 8+your strenght or dexterity modifier+your proficiency bonus) or be dealth 4d6 damage of the resulting type of a Chaos Elemental Bane Roll. At 5th level the damage increases to 5d6, 6d6 at 11th level and 7d6 at 17th level. The area depends on the weapon's type or damage type:
  • Slashing: 20-foot cone originating from you.
  • Piercing or Ranged: 60-foot line originating from you.
  • Bludgeoning: 10-foot radius circle centered on a point withing 5 feet of you.
  • Ranged Attack or Throwing Weapon: 10-foot radius circle centered on a point withing the weapon's range.
• At the end of a short rest, you lose 1d4-1 chaos counters. At the end of a long rest, you lose 1d8-1 chaos counters.
• At the end of a short rest doing nothing more than meditation, you may roll 1d100, on a 100, you gain a peace counter. When you reach 7 peace counters, this feat no longer can make you go insane, you take complete control over the curse.