Grumor
Alpha Form: GrugonBuilt with thick chunks of solid rock, its upper body and arms are incredibly strong in comparison to a pair of short legs, which ache a lot due to a relatively unbearable burden. A heavy punch blows its own stone fists apart, but it can be fixed easily.
Grumor is a 
Earth-class Jini in Roco Kingdom, number 106 in the World Codex. It lives in Badwater Swamps, Windrest Mountain and Mount Dawncrest. It evolves into Grudrox at level 50. Its line's Alpha Form is 
Grugon.
How to get Grumor
Where Grumor lives
The Codex lists Grumor in these places:
The Codex says it is "Highly elusive".
Evolve Grumite
GrumiteGrumite Egg
GrumorStage 2Grumite hatches from the Grumite Egg or the Event Jini Egg. Grumite evolves into Grumor at level 30.
Attract Grumor at an Owlstone Nest
"Place this item in the Owlstone Nest to attract certain Jinies. Its patterns reveal the Jinies it attracts."
How to get: From Jini Codex Research Topic: Grudrox
Evolve into Grudrox
Grumor evolves into Grudrox at level 50, so getting Grumor gets you the whole line.
Grumor evolution
Grumite evolves into Grumor at level 30. Grumor evolves into Grudrox at level 50. With the Alpha Bloodline and its token, Grudrox turns into its Alpha Form, Grugon.
GrumiteStage 1
GrumorStage 2
GrudroxStage 3
How Grudrox becomes an Alpha Form
Give Grudrox the Alpha BloodlineUse an
Alpha Bloodline Elixir on Grudrox. Craft one at an Alchemy Camp from 10 Alpha Bloodline Essence and 10,000 Roco Coins, or from 10 Wishing Stars. Every Jini with the Alpha Bloodline you release gives 1 
Alpha Bloodline Essence. The main story quest "Dimo's Gaze" also gives one.
Get the token of the form you wantThe form above shows its token and where it comes from.
- Press Respond on Grudrox's Basic tab
Pick its token and Grudrox turns into its Alpha Form. Revert brings Grudrox back.
Only one Alpha Jini at a time: making another Jini Alpha reverts this one. An Alpha Jini can't be gifted or released.
Best Grumor Build: Personality, Skills and BloodlineGrumor Best Build
From recently active players, as the game shows them · fetched 14 Nov 2026
PvPTop Personality
- 1
Naive9.09 % - 2
Peaceful8.44 % - 3
Grounded7.79 % - 4Passionate6.49 %
- 5Calm5.84 %
- 6Focused5.84 %
Top Ind. Apt.
- 1
P. DEF62.98 % - 2
P. ATK61.68 % - 3
HP47.40 % - 4
M. DEF44.80 % - 5
M. ATK42.20 % - 6
SPD37.66 %
Top Bloodline
- 1
Earth39.61 % - 2
Shadow8.44 % - 3
Flora7.79 % - 4
Mech5.84 % - 5
Dragon5.19 % - 6
Electro5.19 %
Top Skills
- 1
Stonebreaker61.03 % - 2
Mud Armor40.25 % - 3
Sand Trap38.31 % - 4
Bat Strike37.66 % - 5
Gravel Collision36.36 % - 6
Greed28.57 %
Grumor Prismatic coloursPrismatic colours
A Prismatic Grumor has one of 39 colour pairs and one of 4 glitters, every one as likely, or the rare hidden Black & White. Pick a glitter to see every colour with it.
Grumor stats
Grumor's highest stat is P. ATK at 127 and its lowest is M. DEF at 56. Its six stats add up to 480.
HP86
P. ATK127M. ATK62P. DEF89
M. DEF56SPD60
Earth-class Skill Boost25%Grumor personalities
Each Grumor has one of 30 personalities. A personality raises one stat by 10% and lowers another by 10%, and the raised stat grows by 2% with each growth order.
+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%+10%−10%9.09% of recent playersGrumor trait
TraitRock Feast
When Energy is not enough, consumes 5% Health to serve as 1 Energy.
Grumor skills
Learned by leveling up
Grumor learns 14 skills as it levels up, from Demon Claw at level 1 to Earthquake at level 45.
2Bat Strike
65AttackDeals Physical Damage with 100% LifestealLifestealWhen dealing damage, restores Health proportional to the damage dealt and Lifesteal ratio..
Summons strange helpers. They're always hungry—bananas are their favorite, blood comes second.
2Greed
—StatusGrants 100% LifestealLifestealWhen dealing damage, restores Health proportional to the damage dealt and Lifesteal ratio..
2Initiative
55AttackDeals Physical Damage. PriorityPrioritySkills with higher priority act first, bypassing any Speed differences between Jinies. Priority can be stacked. +1.
4Sand Trap
60AttackDeals Physical Damage. The higher the Jini's Physical Defense relative to the enemy's, the greater this skill's Power.
The Earth-class kin buries enemies and secrets alike beneath the sand.
4Power Devour
—StatusAll enemy skills lose 20 Power. All the Jini's own skills gain 20 Power.
What's yours is mine, and what's mine is still mine.
8Stonebreaker
140AttackDeals Physical Damage. Each time being attacked, this skill's Energy Cost permanently -1.
3Gravel Collision
80AttackDeals Physical Damage. If the enemy switches Jinies this turn, own Physical Defense +100%.
2Mud Armor
—StatusPhysical Attack and Physical Defense +60%. Counter: DefenseCounter: DefenseIf the enemy uses a defense skill, this skill successfully counters: it gains priority and triggers a counter effect. - Additionally doubles buffsBuffEffects that increase attributes, Skill Power, or Combo Count, reduce Energy Cost, or grant effects including Lifesteal, and Overload. (Excludes Mark, Trait, and Other effect types.).
No beast from the deep earth has ever made them yield.
4Stealth Strike
70AttackDeals Physical Damage and grants 50% LifestealLifestealWhen dealing damage, restores Health proportional to the damage dealt and Lifesteal ratio.. Counter: StatusCounter: StatusIf the enemy uses a status skill, this skill successfully counters: it gains priority and triggers a counter effect. - Doubles this skill's power.
3Earthspike
90AttackDeals Physical Damage. Counter: StatusCounter: StatusIf the enemy uses a status skill, this skill successfully counters: it gains priority and triggers a counter effect. - Additionally interruptsInterruptPrevents the enemy from using the specified skill for this action. the countered skill.
The "Watch out for falling rocks" sign is always worth heeding, but Earth-class Rocos won't warn you.
Learned via skill tablet
Grumor can also learn these 14 skills from Skill Tablets. Open a skill to see how to get its tablet.
Earth Sink
80AttackDeals Physical Damage. Physical Defense +70%. Counter: StatusCounter: StatusIf the enemy uses a status skill, this skill successfully counters: it gains priority and triggers a counter effect. - Doubles this skill's Power, and Physical Defense additionally +70%.
Hand from Beyond
150AttackDeals Physical Damage. For every 10% Health lost, this skill's Energy Cost -1.
Defense
—DefenseReduces damage taken by 70%. Counter: AttackCounter: AttackIf the enemy uses an attack skill, this skill counters successfully: This Jini gains priority and triggers a counter effect. After use, all the equipped defense skills enter a 1-turn cooldown..
Scorch Assault
40AttackDeals Physical Damage. Counter: StatusCounter: StatusIf the enemy uses a status skill, this skill successfully counters: it gains priority and triggers a counter effect. - Increases this skill's Power by 4×.
Rebound Punch
25AttackDeals Physical Damage in a 2-hit combo. If going second, becomes a 3-hit combo.
Late Strike
155AttackDeals Physical Damage. PriorityPrioritySkills with higher priority act first, bypassing any Speed differences between Jinies. Priority can be stacked. -1.
Preemptive Guard
—DefenseReduces damage taken by 50%. Counter: AttackCounter: AttackIf the enemy uses an attack skill, this skill counters successfully: This Jini gains priority and triggers a counter effect. After use, all the equipped defense skills enter a 1-turn cooldown. - PriorityPrioritySkills with higher priority act first, bypassing any Speed differences between Jinies. Priority can be stacked. +1 on the next action.
Bloodline Skill
A Bloodline Elixir gives Grumor one of 18 bloodlines, and from level 15 each bloodline teaches it its own skill. Grumor holds one bloodline at a time.
60
Dragon
Draconic Roar
200Attack
ChargesChargeCharges for 1 turn before casting on the next. While charging, the Jini can not be forced to leave the field., then deals Magic Damage to the enemy.
60
60
100
Mech
Brawl
45Attack
Deals Physical Damage. If this skill is in slot 1, Power +60. GearshiftGearshiftAt turn start, skills with Gearshift X move down X slots in the queue. This effect stacks. 1.
60Grumor class matchup
As a Earth-class Jini, Grumor takes increased damage from 
Flora, 
Water, 
Ice, 
Fighting and 
Mech skills and reduced damage from 
Common, 
Fire, 
Electro, 
Poison and 
Wing skills.
Increased damage from these skills
Flora
Water
IceFightingMechReduced damage from these skills
CommonFire
Electro
Poison
WingGrumor research topics
×150
×5×150×10
×50×10
