Tiers are purely used for metadata and do not have any significance within the world.
Classes in High Tier: Mage, Astral, Medic
Tiers are purely used for metadata and do not have any significance within the world.Forbidden tiers are for classes who have either the Virus or Berserker glitch.
Classes in Forbidden/High Tier: Mage, Astral, Medic with either Virus or Berserker.