Artifact

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Artifacts icon

Artifacts are a game mechanic in the Rogue Legends campaign of Bloons TD 6. They can be added to the player's Party to add passive effects. All Artifacts have beneficial effects, but some have negative effects as trade-offs. Some Artifacts also add Insta Monkeys to the player's Party while owned.

When starting a campaign, in addition to their Hero's artifact, players can select up to 3 artifacts to add to their party as long their combined costs are 9 Artifact Power or less. Some Some starting Artifacts are unlocked by default:

• Bouncing Projectiles Legendary
• Ceramic Chunker Rare
• Frosted Tips Common
• One Shot Rare
• Slower Is Harder Common
• Spirit of Adventure Rare
• Swelling Spikes Common
• Wacky Wibbly Wavey Common

The rest of the Artifacts need to be unlocked by "extracting" them from an campaign after beating a stage. The extracted Artifact will be lost during the active campaign but it will be able to be used as an starting Artifact in future campaigns.

Rarity

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Artifacts come in three tiers of rarity: Common, Rare, and Legendary. Most Artifacts have a variant for each rarity, but some only come in one or two rarities. Higher rarity Artifacts have stronger positive effects and/or weaker negative effects, but cost more to equip in the Starter Party and trade with a Merchant. Common and Rare Artifacts grant Insta Monkeys with upgrades on two paths, while Legendary Artifacts grant Insta Monkeys with upgrades on only one path.

If the player obtains a higher rarity version of an Artifact they already own during a run, it replaces the lower rarity version.

Rarity	Cost	Chance
Common	3	84.15%
Rare	6	14.85%
Legendary	9	1%