Upgrade Bloons

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Upgrade Bloons
Increases by one rank the next 15 bloons spawned, up to a maximum of Rainbow. Three uses.
Category Bloon Tier 4
Cooldown 20 seconds Uses 3

Upgrade Bloons is a tier 4 Bloon Power in the mobile version of Bloons TD Battles. It increases the layers of up to the next 15 non-blimp Bloons by 1, up to Rainbow Bloon. This effect lasts permanently on affected bloons, but the effect for incoming bloons lasts certain seconds to prevent stacking the bonus layers.