Gemslug
Alpha Form: GemperorIt clings to damp rock formations, feeding on mineral grains in the soil. Its presence often signals a rich ore deposit. The crystals on its body refract and magnify even the faintest light. Just four of these Jinies can illuminate an entire mine, making them beloved companions among miners.
Gemslug is a 
Light and 
Earth-class Jini in Roco Kingdom, number 039 in the World Codex. It lives in The Sunken Vortex, Merchant Town Outskirts, Wingstead Village, Windseer Peninsula, Seaweard Hills, West Mistwhisper and Scavenger's Port. It evolves into Gemlord at level 40. Its line's Alpha Form is 
Gemperor.
How to get Gemslug
Catch Gemslug in the wild
30 spots on the Carosia map, in 7 places. Tap a place to see its spots.
The Codex says it is "Common near ores".
Hatch Gemslug from an egg
How to get: Dropped from the Alpha Jini: Gemperor
This egg hatches into Gemslug.
Attract Gemslug 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: Gemlord
Evolve into Gemlord
Gemslug evolves into Gemlord at level 40, so getting Gemslug gets you the whole line.
Gemslug evolution
Gemslug evolves into Gemlord at level 40. With the Alpha Bloodline and its token, Gemlord turns into its Alpha Form, Gemperor.
GemslugStage 1
GemlordStage 2
+ This step needs more than the level.
How Gemlord becomes an Alpha Form
Give Gemlord the Alpha BloodlineUse an
Alpha Bloodline Elixir on Gemlord. 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 Gemlord's Basic tab
Pick its token and Gemlord turns into its Alpha Form. Revert brings Gemlord 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 Gemslug Build: Personality, Skills and BloodlineGemslug Best Build
From recently active players, as the game shows them · fetched 14 Nov 2026
PvPTop Personality
- 1
Quiet5.35 % - 2
Steady5.00 % - 3
Shy4.43 % - 4Vigilant4.08 %
- 5
Calm3.87 % - 6Candid3.73 %
Top Ind. Apt.
- 1
P. DEF44.60 % - 2
M. ATK36.15 % - 3
M. DEF35.30 % - 4
P. ATK34.95 % - 5
HP31.78 % - 6
SPD23.25 %
Top Bloodline
- 1
Earth44.04 % - 2
Light43.26 % - 3
Corrupted3.94 % - 4
Alpha3.94 % - 5
Havoc0.49 % - 6
Poison0.49 %
Top Skills
- 1
Pulse Beam78.57 % - 2
Sludge Skin75.89 % - 3
Magic Boost71.45 % - 4
Mud56.58 % - 5
Mud Jet17.61 % - 6
Ricochet Strike15.36 %
Gemslug Prismatic coloursPrismatic colours
A Prismatic Gemslug 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.
Gemslug stats
Gemslug's highest stat is P. DEF at 102 and its lowest is SPD at 52. Its six stats add up to 466.
HP79P. ATK77M. ATK81P. DEF102M. DEF75SPD52
Light-class Skill Boost25%
Earth-class Skill Boost25%Gemslug personalities
Each Gemslug 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%5.35% of recent playersGemslug trait
TraitPolarization
Takes 40% less damage from skills matching the Classes of its equipped skills.
Gemslug skills
Learned by leveling up
Gemslug learns 14 skills as it levels up, from Magic Boost at level 1 to Earthspike at level 49.
2Sludge Skin
—DefenseReduces damage taken by 80%. 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. - The enemy's Combo CountCombo CountAlters combo counts. Only applies to skills with a combo effect. -3.
0Mud
40AttackDeals Magic Damage to enemy Jinies.
The clay others use to make dolls becomes a mighty weapon in their hands.
4Charge Up
—StatusGains 1 stack of Power Charge MarkPower Charge MarkMark effect: Skill Power of all attacks +30%, Energy Cost +1..
2Fortress
—DefenseReduces damage taken by 90%. 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. - Defense Skill CD -1.
1Sand Toss
60AttackDeals Physical Damage to enemy Jinies.
Gather sand to build a tower, then forge it into a blade.
1Mirror Reflection
—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. - This skill becomes the skill it countered.
Mirrors cannot devour light; light only becomes distorted.
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
Gemslug can also learn these 12 skills from Skill Tablets. Open a skill to see how to get its tablet.
Burrow
—DefenseReduces damage taken by 50% and performs a RetreatRetreatThe Jini leaves the field and is replaced by a selected teammate. Any Jini entering this turn is immune to this effect.. 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..
Shockwave
80AttackDeals Physical Damage. The enemy's Combo CountCombo CountAlters combo counts. Only applies to skills with a combo effect. -3.
Late Strike
155AttackDeals Physical Damage. PriorityPrioritySkills with higher priority act first, bypassing any Speed differences between Jinies. Priority can be stacked. -1.
Sneak Attack
85AttackDeals 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 3×.
Dazzle
—StatusThe enemy's Combo CountCombo CountAlters combo counts. Only applies to skills with a combo effect. -4.
Bloodrage
—DefenseReduces damage taken by 60%. 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. - Survives with 1 Health upon taking lethal damage.
Painseeker
—DefenseReduces damage taken by 80%. 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. - For each instance of damage taken from attacks during this effect, Physical & Magic Attack +40%.
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..
Bloodline Skill
A Bloodline Elixir gives Gemslug one of 18 bloodlines, and from level 15 each bloodline teaches it its own skill. Gemslug holds one bloodline at a time.
Flora
Wax Coating
—Defense
Reduces damage taken by 80%. 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. - Restores 3 Energy.
Fire
Flame Shield
—Defense
Reduces 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. - Inflicts 6 stacks of BurnBurnDeals Fire-class damage equal to 2% of Health at the end of the turn and reduces stacks by 50%. (Fire-class Jinies are immune to this effect.) on the enemy.
Water
Bubble Shield
—Defense
Reduces damage taken by 80%. 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. - Magic Attack +70%.
Ice
Snowman Decoy
—Defense
Reduces 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. - Restores Energy 2× the Energy Cost of the countered skill.
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.
Electro
Focus
—Defense
Reduces damage taken by 80%. 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. - Returns to the FieldReturn to the FieldThe Jini leaves the field, then immediately returns. Any Jini entering this turn is immune to this effect. at the end of the turn.
80
Fighting
Rebound Punch
25Attack
Deals Physical Damage in a 2-hit combo. If going second, becomes a 3-hit combo.
Wing
Wind Wall
—Defense
Reduces damage taken by 50% and grants AgilityAgilityWhen a Jini is switched in, it casts the first skill with the Agility effect that it has enough Energy to use.. 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..
60
Shadow
Ethereal Form
—Defense
Reduces damage taken by 80%. 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. - Magic Defense +70%.
Havoc
Tradeoff
—Defense
Reduces damage taken by 90%. 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. - Grants 50% LifestealLifestealWhen dealing damage, restores Health proportional to the damage dealt and Lifesteal ratio..
Mech
Ion Oscillation
90Attack
Deals Magic Damage. If this skill is in slot 3, Power +40. GearshiftGearshiftAt turn start, skills with Gearshift X move down X slots in the queue. This effect stacks. 1.
Stellar
Meditation
—Defense
Reduces damage taken by 80%. 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. - Inflicts 2 stacks of Starfall MarkStarfall MarkMark effect: Hitting the marked Jini with a non-Stellar-class skill triggers Starfall Mark. This consumes all Starfall stacks to deal bonus Stellar-class damage. on the enemy.
Gemslug class matchup
As a Light and Earth-class Jini, Gemslug takes increased damage from 
Flora, 
Water, 
Ice, 
Fighting, 
Shadow and 
Mech skills and reduced damage from 
Common, 
Fire, 
Electro, 
Poison, 
Wing, 
Havoc and 
Stellar skills.
Increased damage from these skills
FloraWaterIceFightingShadowMechReduced damage from these skills
CommonFireElectro
PoisonWingHavocStellarGemslug research topics
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