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Palmon Survival/Palmon

Rumbkey

Evolved form · evolves from Baboom

Rumbkey

UREarth typeBackliner20★ to finish

Job tagsCombatLoggingBrick Kiln maintenance

Rumbkey is Baboom's evolved form — the same Palmon after Evolution I to Evolution IV. Attack, Defense, HP, jobs and the base skills stay Baboom's own, on its page.

Where Rumbkey ranks

A

Current meta tier list

A band above Baboom because Evolution pays twice: faster swings inside every stun window, and 5% squad Attack from the bench at Evolution IV. It stops at A because the stun still hits whoever is closest.

Is Rumbkey worth it?

Evolution is where Baboom's stun starts paying for itself. At Evolution III, Simian Vigor raises normal attack speed by 25% for 8s after every Power Strike, and since Power Strike already holds its target for 2s, the fastest swings land while that enemy can't answer. It is a better trade than the percentage suggests. The basic attack is only a stick swing, so the gain shows over a long fight rather than in one burst.

The range problem stays. Power Strike still needs an enemy in melee reach, and from the back row that tends to be whichever enemy walked closest, not the one you would choose to lock down.

Evolution IV is the real argument for finishing the line. It raises squad Attack by 5% while Rumbkey is benched, so an Earth account that never fields Baboom still collects something from the Essence. Our Pure Earth team keeps Scorphelia and Rootwarden on the back row ahead of it, so fund those two first and treat Rumbkey as the third Earth purchase.

Stats

Rumbkey keeps Baboom's stat sheet: Attack, Defense and HP don't reset or change with the form. The Evolution steps below add their bonuses on top.

Lv 1Lv 300, 25 stars
Attack45157,064
Defense5811,620
HP18,0408,525,111

How to reach Rumbkey

All of it together:20★Camp Lv 10300 × Evolution Essence

  1. Evolution I5★Camp Lv 1020 × Evolution Essence

    Initial Rage Increase: 20

    • Initial Rage+20
    • Attack+5%
    • HP+5%
  2. Evolution II10★Camp Lv 1040 × Evolution Essence

    Squad Size per Palmon Increase: 20

    • Final Damage Taken Reduction+5%
    • Attack+10%
    • HP+10%
  3. Evolution III15★Camp Lv 1080 × Evolution Essence

    Ultimate Skill: Simian Vigor

    • Crit Damage+50%
    • Attack+15%
    • HP+15%
  4. Evolution IV20★Camp Lv 10160 × Evolution Essence

    Squad Attack (Even When Undeployed) Increase: 5%

    • Elemental Counters+50%
    • Attack+20%
    • HP+20%

The skill Rumbkey unlocks

Simian VigorEvolution III

After using Power Strike, increases normal attack speed by 25% for 8s.

At skill Lv 1: After using Power Strike, increases normal attack speed by 2.5% for 8s. The 10 levels are bought with 1,200 Earth Energy each.

Talents Rumbkey opens

Talents are bought with Earth Energy, level by level — 400,000 in total for this block.

StepTalentRaisesMaxedEarth Energy
Evolution IPowerfulAttack+5006,000
Evolution ISteadfastDefense+1007,000
Evolution IVigorousHP+45,0008,000
Evolution IPowerfulAttack+8009,000
Evolution IIPowerfulAttack+1,2009,000
Evolution IIDeadlyCrit Rate+10%9,000
Evolution IISteadfastDefense+24010,000
Evolution IIVigorousHP+80,00010,000
Evolution IITenaciousTenacity+10%11,000
Evolution IIFull HouseSquad Size per Palmon Deployed+2011,000
Evolution IIISimian VigorSkill levelLv 1012,000
Evolution IIIPowerfulAttack+1,50013,000
Evolution IIINimbleEvasion+10%14,000
Evolution IIISteadfastDefense+30015,000
Evolution IIIVigorousHP+190,00017,000
Evolution IIIPreciseAccuracy+10%19,000
Evolution IVPowerfulAttack+2,00022,000
Evolution IVSteadfastDefense+40026,000
Evolution IVVigorousHP+560,00030,000
Evolution IVDestructiveCrit Damage+25%38,000
Evolution IVStubbornCrit Resistance+25%46,000
Evolution IVAuthoritativeSquad Attack (Even When Undeployed)+5%58,000

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