Aura of Purity
An aura radiates from you in a 30-foot Emanation for the duration. While in the aura, you and your allies have Resistance to Poison damage and Advantage on saving throws to avoid or end effects that include the Blinded, Charmed, Deafened, Frightened, Paralyzed, Poisoned, or Stunned condition.
Aura of Purity 5.5e 2024 vs. 5e 2014 edition differences
The 2024 version specifies an emanation with a 30-foot radius, while the 2014 version describes a 30-foot radius aura that moves with the caster. The 2024 version grants resistance to poison damage and advantage on saving throws against specific conditions, but does not specify immunity to disease or that the aura moves with the caster.