Overview
Cooldown: 2 minutes seconds
Deploy a mountable turret which deals damage physical damage per shot and fires 7 shots per second. R.O.S.I.E. has 180 ammo.
Rotating Omni-directional Sentry Integrated Exoskeleton (R.O.S.I.E ) is a 
Constructor Ability in Fortnite: Save the World that was introduced in Update v6.31.
Functionality
Functionality[]
R.O.S.I.E. can be placed on player-built floor structures. When placed, a mounted turret is deployed by the player, and can be used by anyone on the team. The turret fires around 7 shots per second, each dealing moderate amount of damage to Husks.
R.O.S.I.E. has a limited ammo supply, and once depleted, the turret will disappear. A shield surrounds the turret, protecting players from ranged attacks like Pitcher bones, Lobber bombshells, etc.
Perks
Perks[]
Hero Perks[]
Hero Perks interacting with R.O.S.I.E.:
| Hero | Perk | |
|---|---|---|
| Sentry Gunner Airheart |
 War of the R.O.S.I.E. |
Increases R.O.S.I.E. Damage by 25%. Increases R.O.S.I.E. Damage by 50% and changes its damage type to energy. |
| Sentry Gunner Krampus |
 Racking up the Coal |
Each R.O.S.I.E. elimination increases R.O.S.I.E. Damage by 4%, up to a maximum of 30 stacks. Each R.O.S.I.E. elimination increases R.O.S.I.E. Damage by 12%, up to a maximum of 30 stacks. |
| Blakebeard the Blackhearted |
 Avast Mateys |
Increases Cannonball Damage by 20%. Increases Cannonball Damage by 40%. Converts R.O.S.I.E. to fire 30 cannonballs. |
| Sleuth |
 Cold Lead |
R.O.S.I.E.'s Fire Rate is increased by 15% and Ammo Pool is increased by 20%. R.O.S.I.E.'s Fire Rate is increased by 15% and Ammo Pool is increased by 20%. Every 12 damaging shots freezes all enemies within 0.5 tiles of the target for 3 seconds. |
Team Perks[]
Team Perks interacting with R.O.S.I.E.:
Heroes with 2 or more starsHistory
History[]
Update v20.30
May 4th 2022
- No more overheating: Commanders are now free to fire away with R.O.S.I.E. as our technological advancements have allowed us to bypass the troubles of overheating.
- Now that overheating is no longer an issue, the Cold Lead perk will now allow R.O.S.I.E. to hold 20% more ammo.
- Better from a distance: The damage fall off to enemies at a distance has been greatly reduced, adding more combative versatility to R.O.S.I.E.
- Quicker activations: After initial use, it would take Commanders quite a while to be able to summon R.O.S.I.E. again. That issue will be reduced as the R.O.S.I.E. cooldown has decreased by 33%.
- A new shield: One weakness of using R.O.S.I.E. is that it would leave its operators vulnerable to ranged attacks. Well their security is now improved with the new anti-projectile shield that will form around R.O.S.I.E. whenever it is deployed.
- Commanders will have the option to sacrifice the shield which will trigger a large knockback. This is especially useful when hordes of melee Husks get a bit too close to the turret.
Trivia
Trivia[]
- R.O.S.I.E. is the third 'weapon' to be added to Battle Royale, taking the form of the Mounted Turret, the second being the Lefty and Righty with the Dual Pistols, and the first being Goin' Commando!!! with the Minigun.
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