How to Evolve Units

Levels will carry your squad through the first world or two of Ooo, but the later waves punish anyone who stops upgrading. Evolution is the upgrade that changes a hero's form outright, and it is the one most defenders ignore. Candy Kingdom Defense how to evolve units is a constant question in the community because the game never forces you through the feature. If you want the answer to Candy Kingdom Defense how to evolve units without burning Gems on the wrong character, the guide below covers the systems, the resource flow, and the order that actually moves your team forward.

Evolution Sits Alongside Two Other Upgrade Systems

The single most important thing to understand is that evolving a hero is not the same as leveling them, and it is not the same as rerolling their traits. Those are three separate tracks, each with its own resources and its own payoff. Treating them as one big "upgrade" button is how players end up with a maxed-out hero who still underperforms.

The practical takeaway: a hero's evolution is a transformation, not a small stat bump. Familiar faces become different characters entirely, which is why the payoff is so much bigger than a single level.

Candy Kingdom Defense How to Evolve Units: The Step-by-Step Process

Evolution is handled inside the game's hero upgrade screens rather than at a separate building, so the workflow is short. The exact requirement for each hero — and the exact menu label — is displayed on that hero's screen and varies by hero and by game update. Use the table below as your checklist, and read the requirement the game shows you before you commit.

Two habits make this smoother. First, evolve heroes you already use rather than chasing a form you have never fielded. Second, take a screenshot or note of the requirement before you start spending, so you do not dump Gems into summoning when the missing piece was a resource you could earn in a stage.

Do Not Skip the Trait Step

Traits and evolutions are stacked, not interchangeable. Strong traits exist in the pool — Oh My Glob is one of the mythic-tier options — and a hero with a great trait on top of an evolved form is a different animal from an evolved hero with a throwaway trait. Spending Trait Crystals early on your two or three main heroes protects the larger investment you are about to make in evolution.

Which Units Are Worth Evolving First

The game's evolved forms reach well beyond the obvious trio, so treat the table below as confirmed examples rather than a complete list. Your own roster and the requirement shown on each hero's screen are the final word.

For everything else, browse your roster and sort by the heroes you already field most. The rule of thumb holds: evolution compounds, so it belongs on characters who are already earning their slot in your lineup. A benchwarmer with a shiny new form still rides the bench.

Resources You Need and Where They Come From

Evolution is resource-gated, and the surrounding upgrade tracks compete for the same materials. Knowing which currency does which job stops you from misallocating it.

Because Gems, Trait Crystals, and XP Candies all appear in code drops, the fastest free boost to your evolution plans is simply redeeming what is available. New codes land regularly, and a single drop can hand you 1,500 Gems plus 15 Trait Crystals — enough to summon and reroll without touching a stage.

Stack Codes Before You Spend Gems

Codes are redeemed at Jake's Code Corner in the Tree Fort. From the main game, select the Areas button on the left, choose Jake's Code Corner, paste the code, and confirm. Copy each code exactly, without trailing spaces, and remember that expired or already-claimed codes will not pay out twice.

Codes rotate and expire, so work through the freshest batch first. Sweep through the current October 2026 code list and claim everything valid before you start rerolling traits for your evolution targets.

How Progression and Game Modes Feed Evolution

The campaign is the spine of your resource income: five worlds and 25 stages, with candy zombies, Snow Golems, and Lemongrab's army standing between you and the next reward. Clearing stages is what keeps XP Candies and Gems flowing, so a stalled campaign usually means a stalled evolution project.

Once the campaign stops being a resource engine, the side modes take over as your practice ground. Infinite Mode serves up endless waves, and the Dungeon Train has its own set of Challenges. Both are useful for pressure-testing a newly evolved hero in situations the campaign no longer provides.

You can also bring up to three friends into a match instead of defending alone. Coordinated squads let you push into waves that would flatten a solo run, which in turn accelerates the resources that fund the next evolution. If you are stuck on Candy Kingdom Defense how to evolve units because you cannot afford the requirement, co-op is often the honest answer.

Mistakes That Slow Down Unit Evolution

• Evolving before you level. A fresh hero with no levels has no foundation. Level first so the evolved form starts from a strong base.
• Rerolling every hero. Trait Crystals are finite. Concentrate them on the heroes you actually field.
• Ignoring the code corner. Free Gems and Trait Crystals sitting unclaimed in the Tree Fort are the most common self-inflicted slowdown.
• Chasing forms over lineup fit. A hero who does not fit your squad stays out of your squad, evolved or not.
• Forgetting to re-test. After an evolution, take the hero into a familiar stage so you can see the difference clearly instead of guessing from the numbers.
• Spreading stages thin. Push the campaign until it stalls, then push again. Every cleared stage is another roll of resources toward your evolution requirement.

One honest limitation: the game does not publish a single master list of every evolution, its cost, and its prerequisites. Requirements are surfaced per hero inside the game, and they change as the game is updated. Read the requirement on the hero you intend to evolve, then plan your spending around it rather than around a copied list.

FAQ

Do I need to max a hero's level before I evolve them? Not necessarily — the game shows the actual requirement on the hero's upgrade screen, and that is the only condition that matters. Leveling anyway is smart, because the evolved form inherits a stronger foundation and stays usable in your lineup while you save resources.

Why can't I find the evolution option on my hero? Check that the hero is one with an evolution available and that you meet the listed requirement. If the option still is not visible, confirm you are on the hero's own upgrade screen rather than a general roster view.

Does evolutions replace trait rerolls? No. They are separate systems that stack. Reroll traits with Trait Crystals on your main heroes first, then evolve, so you are not carrying a weak trait into a much more expensive form.

How do I speed up Candy Kingdom Defense how to evolve units progress without spending? Redeem every valid code at Jake's Code Corner, push the five-world campaign, and squad with up to three friends to clear waves you cannot manage solo. Those three habits generate Gems, Trait Crystals, and XP Candies faster than grinding stages alone.