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Concept art.

Concept art.

Kerchu rollers[1] are enemies in Tools of Destruction. They are deadly kerchu wearing a backpack suit that rolls up and encompasses them in an armored, bladed ball to attack visitors on sight. Ratchet and Clank first fought them in "Investigate the Kerchu Outpost" at Outpost L51, Sargasso, defending a gelatonium plant. They were later fought in "Fight Your Way into the City" in Kerchu City, Jasindu. The kerchu mechwrecker also deployed them from its mouth during "Defeat the Kerchu Guardian".

Kerchu rollers deal strong damage when curled into a ball and are armored, but typically roll straight and cannot maneuver well. They also cheer after landing attacks, and jeer upon failing to connect, presenting opportunities to attack them while not protected by their ball. Strafe jumping is a fairly simple way to dodge their attacks, at which point a number of weapons are effective against them. On Sargasso the Nano-Swarmers, Shard Reaper, and Buzz Blades are recommended, while on Jasindu due to their numbers the Negotiator is stronger alongside the Nano-Swarmers as support.

Behind the scenes[]

According to their unused Galactipedia entry: kerchu rollers are astounding and their engineering is not understood by outsiders. GrummelNet once attempted to hire the designer of the roller armor but met with failure.[2]

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