Rock Tank
Rockzilla
Rockzilla guide for Clash Critters with role notes, upgrade priority, best modes, teammate ideas, image sources, wiki facts, and conservative build advice.
Quick Verdict
Atomic Ray is the page's main hook
For Rockzilla, the useful question is AoE burn pressure. The page becomes relevant once one side of the board collapses before damage units can work. Crowded waves are a better first test than isolated targets.
It is the endpoint of Rubblet -> Cobbledon -> Rockzilla, which makes the page more about final-role value than short-term filler. The current wiki stat grades list Attack E, HP E, Defense C, which helps set expectations before you compare it with alternatives. Its Purple tier puts it in a comparison band where same-role alternatives deserve a look before deeper spending.
F2P value: Steady if Rockzilla prevents resets without demanding the same resources as a carry.
Best Modes
Good places to test
- Campaign pushes where Rockzilla can take the first contact for a weak lane
- Gold Mine Rush defense tests that reward durable placements
- Teams built around fragile Rock damage dealers that need more time to work
Be careful in
- Timeout losses where the existing frontline already survives
- Boss attempts where every open slot must increase damage uptime
Compare results against the Gold Mine Rush guide, Boss Challenge guide, and Horde Invasion guide.
Best Teammates
Rockzilla should sit in front of damage dealers that benefit from the time it buys, especially same-element projects that share upgrade planning.
Use these as comparison partners, then keep the pairing that makes Rockzilla's listed skill easiest to measure.
Upgrade Priority
Priority: Rockzilla moves up the queue when early contact is the reason the formation falls apart.
Start with the mode that best exposes AoE burn pressure, then compare Rockzilla against another Tank before feeding the next copy.
Pause if the only reason to continue is collection progress. The upgrade should improve a team you actually use.
Appearance
Visual notes summarized from wiki.gg.
Evolution Trial
Trivia
Short wiki-derived facts rewritten for this guide.
- Prior to the update on 2/10/2026, its bio used to say: "Incredibly, by fusing Cobbledon genes with [erased text], we produced such a fantastic creature." -Dr.
- Prior to the update on 3/11/2026, its bio description said: "Incredibly, by fusing Cobbledon genes with [erased text], we produced such a fantastic creature.".
- Prior to the update on 5/13/26 its bio description said: The heat rays Rockzilla wields can turn stone to lava in an instant.
- Rockzilla's Korean name used to be 록질라 Rockzilla, before the July 4 2025 update with a new name to it - 스톤질라 Stonezilla.
Skills
- Atomic Ray: Fires an ultra powerful beam, dealing AoE damage. Sometimes crit.
Strengths and Weaknesses
Strengths
- Area damage gives Rockzilla a clear reason to test it against crowded waves.
- Rock typing makes it easier to slot into teams that need that element without changing the whole board.
- Its evolution position (endpoint of the Rubblet -> Cobbledon -> Rockzilla line) helps decide whether the unit is a short bridge or a longer project.
Weaknesses
- Area-focused value drops sharply when the fight feeds enemies one at a time.
- Public data does not confirm every exact number, so compare repeated attempts rather than one lucky clear.
- Rockzilla can be outclassed if another Tatari covers the same Tank job with better current investment.
Common Mistakes
- Letting rarity or artwork decide the test instead of the actual Rock Tank need.
- Spending on the endpoint of the Rubblet -> Cobbledon -> Rockzilla line just because it is available, instead of checking the current team slot first.
- Testing only on single-target fights, where area damage is naturally less convincing.
FAQ
Is Rockzilla worth building in Clash Critters?
Rockzilla is worth attention when AoE burn pressure is the answer your team is missing. If the stage is asking for a different job, keep it as a comparison pick rather than forcing upgrades.
Is Rockzilla good for beginners?
Beginners should use Rockzilla only when its Tank job enters the active board. A high-rarity or interesting skill is not enough by itself.
What team should I use with Rockzilla?
Rockzilla should sit in front of damage dealers that benefit from the time it buys, especially same-element projects that share upgrade planning.