If a Regrow Bloon splits into multiple Bloons when popped, they can multiply if their children are allowed to regenerate. Regenerated layers do not generate cash or add to the damage count of towers if re-popped. They cannot regenerate while under the effects of Grow Blocker or Ezili's Heartstopper, or if they are frozen. Regrow status can be removed by attacks that can strip Regrow, such as Heart of Oak, Cleansing Foam, or Corvus's Haunt effect. Certain upgrades, such as Gyrfalcon, deal increased damage to Regrow Bloons.
DDTs, Dynamite Bloons, and Glass Bloons release Regrow Bloons when popped, but they cannot regrow back into DDTs, Dynamite Bloons, or Glass Bloons, respectively. If a Fortified Regrow Bloon pops and regrows back to its initial layer, it does not restore the Fortified modifier.
This strategy section is empty or incomplete. See the strategy guidelines for more information on how to write strategy sections. The editor who added this notice elaborates: list examples. Please don't recommend regrow blocker or heart of oak because those suck and are unnecessary except in challenge editor
Towers should have enough pierce, attack speed, and damage to avoid Regrows from overwhelming the player
Quotes
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Regrow Bloons! These cute heart-shaped Bloons will regrow back lost layers every couple of seconds. — Tutorial
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Regrow Red Bloon
Regrow Blue Bloon
Regrow Green Bloon
Regrow Yellow Bloon
Regrow Pink Bloon
Regrow Black Bloon
Regrow White Bloon
Regrow Purple Bloon
Regrow Lead Bloon
Regrow Zebra Bloon
Regrow Rainbow
Regrow Ceramic Bloon
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