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Ring of Fire

Ring of Fire upgrade

Throws out a fiery hot burst of flame that can pop anything
~ Bloons Tower Defense 4 Description
FireRing

The Ring of Fire in BTD4 iPhone.

The Ring of Fire is the final upgrade for the Tack Shooter in BTD4. It is a level 5 upgrade unlocked at rank 22. Ring of Fire is effective to all bloons, but it cannot detect camo bloons. Unlike firing in 8 directions like its previous upgrades, it shoots fire in a 360 degree range. On easy this upgrade costs 2125, on medium, 2500, and on hard, 2700.

When upgrading to the Ring of Fire, the Blade Shooter blades are replaced with a burst of fire. The Ring of Fire fires at a rate slightly faster than the Tack Tower, and there are no holes in its range (sometimes, some of the bloons can slip between the tacks).

Upgraded from

Tack ShooterFaster ShootingExtra RangeBlade shooterRing of Fire


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