Rare Tiers
From MoronYard Wiki
All of the rare item effects are categorized by the different tiers which they are in. When you look in the premium part of the shop you will notice you can buy either a Tier 1, Tier 2, or Tier 3 rare chest for Hats and Attachments. These will each have different rare effects inside them, here are the effects when they are sorted in to the different tiers. When you open a chest and you receive a rare item, it can be from any one of the tiers.
Contents
Tier 1 (3 Gold bars)
Tier 2 (2 Gold Bars)
Tier 3 (1 Gold Bar)
Exclusive Rare Effects
Robo Event (Tier 1)
These are only available on items obtained from the Robo Crate series.
Golden Cask (Tier 1)
These are only obtainable from items in the Golden Cask.
Special Rare Effects
These effects are exclusive and very limited, and some may only be obtainable on very rare items!