Rarity denotes how powerful equipment are in Tap Titans 2.
Based on a colored tier system, each obtainable item in the game has an icon that identifies the item and its rarity.
White denotes common items. They are easily obtainable with a very high drop chance. Most equipment at the beginning of the game are of common rarity. Common items sell for 1 diamond.
Blue denotes rare items. Rare equipment can appear in the shop and be dropped when farming equipment. Rare items sell for 5 diamonds.
Gold denotes legendary items. Legendary equipment can appear in the shop and be dropped when farming with a 1.25% chance. If a legendary equipment has a set that goes with it, it can be crafted using shards, but the pieces are obtained randomly, with Bad-Luck Prevention. Legendary items sell for 25 diamonds.
Orange denotes mythic items. Mythic equipment are extremely rare when farming equipment. They can be crafted with crafting shards, but the pieces are obtained randomly, with Bad-Luck Prevention. Mythic items have equipment sets that provide very powerful, permanent bonuses. This can range from more relics per prestige to gold and skill bonuses. Mythic items sell for 100 diamonds. You need to have reached stage 2,000 in order to start crafting Mythic items.
Purple denotes event items, dropped from events that happen in game and are limited special equipment. These usually have a decent drop rate with a high level to them. Great for beginners and veterans. Event items sometimes have a set that goes along with it and can be given a set bonus. Crafting shards can not be used to create event items. Event items sell for 1 diamond.