Skill being run to deal damage to self

  - damage{amount=12;element=MENTAL;preventimmunity=true;preventknockback=true} @self
  

Ring granting resistance

FlawlessAventurineRing:
  Id: 397
  Data: 3
  Amount: 1
  Display: '&5&lFlawless Aventurine Ring'
  Lore:
  - '&5&lEpic &r&5Trinket (T4)'
  - '&8&m-------------&r'
  - '<#ff00d9>☠ +45% Mental Resistance'
  Skills:
  # Damage Type Resistances
  - onDamaged{auraName=FlawlessAventurineRingResistMental;d=9999999;mergeAll=true;damageMods="MENTAL 0.65"} @self ~onEquip ?wearing{s=OFFHAND;m=FlawlessAventurineRing}
  - auraremove{aura=FlawlessAventurineRingResistMental} @self ~onUnEquip

Helmet granting reduced resistance

  - onDamaged{auraName=BansheesMantleResistMental;d=9999999;mergeAll=true;damageMods="MENTAL 2.00"} @self ~onEquip ?wearing{s=Head;m=BansheesMantle}
  - auraremove{aura=BansheesMantleResistMental} @self ~onUnEquip