Trait
Guardian
For each stack of Cuteness on other allied creatures, this creature's skill energy cost is reduced by 1 upon entry.
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NO.186
Shelly Snail(壳乙螺)
Water Cute Phase II Original Form
It lives inside a snail shell and seems largely indifferent to the world outside. It spends most of its time sleeping inside the shell but is quite sensitive to the aroma of food and can be lured out with it.
Dex Number
186
Category
Hard Shell Spirit
Height
0.68~0.97 M
Weight
11.05~19.04 KG
Updated
2026-04-02
Distribution
Unknown
Recommended Skill Sets
Cute Protection Build
Playstyle
Mid-to-late field defensive counterattack, reduces Energy Cost through Counter skills and Moe stacking, late-game Moonlight Ensemble multi-hit output with doubled buffs for cleanup
Why this set works
A defensive counter team built around the Cute system, quickly stacking Cute layers through 'Backhanded Compliment' and 'Sweet Sustain,' using the trait to massively reduce 'Moonlight Ensemble' energy cost, paired with 'Birthday Cake's doubled buffs for late-game burst. This build balances survival, sustain, and output, suitable for mid-to-late field entry.
Flattery to Kill
Why pick this skill
Core response skill. 90% high damage reduction ensures survival, and can apply Cuteness to enemy when hit. Both cooperates with own trait to reduce subsequent energy costs, and lays groundwork for teammates' Cuteness system.
Sweetheart Endurance
Why pick this skill
Team Cute initiator: 0 energy cost to apply Cute to both sides, self-restores 40% HP and 4 energy, extremely cost-effective at low HP, while quickly stacking Cute stacks to trigger trait energy reduction.
Moonlight Ensemble
Why pick this skill
Core damage skill. Extremely low 30 Energy cost, base 1-hit combo. More combo hits with higher Cute stacks on both teams. In mid-to-late Cute system, can deal multi-hit high damage. With trait's cost reduction, almost free to cast.
Birthday Cake
Why pick this skill
Divine buff doubling skill: 0 energy cost to dispel self-debuffs and double buffs; combined with 'Magic Enhancement's +70% M.ATK or 'Water Ring's cost reduction, can instantly gain massive returns—core burst mechanic for Shellcoil
Magic Attack Burst Build
Playstyle
High Magic Attack output after self-enhancement, using reactive skills for survival, with Birthday Cake timing determining burst ceiling.
Why this set works
Magic Attack burst-oriented playstyle, abandoning the Cute Charm system in favor of the 'Magic Boost' + 'Birthday Cake' combo to achieve extremely high Magic Attack. 'Water Blade' serves as the main damage dealer with a cost-reduction response mechanic. 'Bubble Illusion' provides survival insurance. This build doesn't rely on teammates and has strong solo combat capability.
Bubble Phantom
Why pick this skill
80% damage reduction response skill. Leaving after being hit avoids subsequent damage. Serves as a lower substitute or supplement for 'Backhanded Praise', used when energy is tight or field swap is needed.
Magic Amplification
Why pick this skill
Core buff skill. 0 energy cost for +70% MATK, preparing for subsequent magic damage. Can be doubled to +140% MATK by 'Birthday Cake'.
Water Blade
Why pick this skill
Magic damage skill with moderate 60 Energy cost. Can deal considerable damage with high Magic Attack boosts. Responding to status can permanently reduce Energy cost, forming a positive feedback loop.
Birthday Cake
Why pick this skill
Buff doubling and dispelling: combined with 'Magic Enhancement', can boost M.ATK to terrifying levels at critical moments while clearing enemy debuffs to ensure output environment
Rain Physical Build
Playstyle
Activate Rainy Weather to boost damage output, utilize Counter to reduce energy cost and unleash high-power skills, use Sugar Ball to finish off weakened enemies.
Why this set works
Weather-based Physical Output: 'Rain Dance' provides Rainy weather to boost Water-type damage; 'Water Ring' reduces energy cost when responding, working with traits to make high-cost 'Popcorn Blast' manageable, while 'Sugar Marble' serves as 0-energy filler. This build leverages Shell Snail's 81 Physical Attack for physical damage, suitable for enemies with high Magic Defense.
Water Ring
Why pick this skill
60% damage reduction Counter skill. All skill Energy cost -2 when hit. Stacked with 'Guardian' trait, can achieve extremely low or even 0 Energy cost for high-cost skills.
Rainfall
Why pick this skill
Weather skill, 0 energy cost to change to Rain for 8 turns, Water-type skills usually have bonuses in Rain, and 0 energy cost won't interrupt rhythm, providing environmental support for the team
Popcorn Blast
Why pick this skill
High-power Physical attack. Though 140 Energy cost is high, damage is considerable. Actual cost is greatly reduced with Water Ring's cost reduction and trait cost reduction, with further damage increase in Rainy weather.
Sugar Marble
Why pick this skill
Physical damage skill with 0 energy cost; power increases with greater weight difference between both sides, highly effective against lightweight enemies, serving as a low-cost supplementary damage or finishing move
Notes
- Shellcoil is a Tier II Water+Cute type with 99 M.DEF but only 66 P.DEF, 72 speed (moderately slow). Its trait 'Guardian' relies on ally Cuteness stacks to reduce its own energy costs, requiring teammates that generate Cuteness or self-carried Cuteness-related skills. Its skill pool covers physical/magic output, damage reduction defense, weather control, buff enhancement, and more, but lacks strong direct healing—mainly relying on 'Sweetheart Endurance's 40% HP recovery.
- With mediocre speed, Shell Snail is better suited as a mid-to-late game creature, using counter skills for defensive strikes or 'Birthday Cake' for doubled buff burst. The Moe system is its core mechanic; 'Moonlight Ensemble' has impressive combo count at high Moe stacks but requires team coordination.
Gallery
True Body
Pet Egg
Evolution Chain
Skills
Lv. Lv.1
Bubble Phantom
Energy: 2 Defense
80% damage reduction, when responding to an attack: retreat.
Lv. Lv.1
Sweetheart Endurance
Energy: 3 Status
Self and the enemy gain Adorify: Restores 40% HP.
Lv. Lv.1
Bubble
Energy: 1 Power: 60 Physical Attack
Deals physical damage to the enemy creature.
Lv. Lv.5
Soap Bubble
Energy: 1 Power: 60 Magic Attack
Deals magic damage to the enemy creature.
Lv. Lv.9
Magic Amplification
Status
Self gains +70% Magic Attack.
Lv. Lv.13
Surge
Energy: 2 Power: 80 Physical Attack
Deals physical damage to the enemy creature.
Lv. Lv.19
Soak
Energy: 4 Status
Self gains 1 stack of Wet Mark.
Lv. Lv.22
Water Ring
Energy: 2 Defense
60% damage reduction, when responding to an attack: all skill energy cost -2.
Lv. Lv.23
Sugar Marble
Energy: 2 Power: 20 Physical Attack
Deals physical damage. The greater the weight difference between both sides, the higher this skill's power.
Lv. Lv.31
Rainfall
Energy: 5 Status
Changes the weather to Rain for 8 turns.
Lv. Lv.33
Popcorn Blast
Energy: 5 Power: 140 Physical Attack
Deals physical damage to the enemy creature.
Lv. Lv.40
Flattery to Kill
Energy: 4 Defense
90% damage reduction, when responding to an attack: enemy gains 1 layer of Cuteness.
Lv. Lv.45
Birthday Cake
Energy: 4 Status
Dispels all debuffs from self and doubles own buffs.
Lv. Lv.49
Moonlight Ensemble
Energy: 3 Power: 30 Physical Attack
Deals physical damage, 1 Combo. For each layer of Cute on all sprites carried by both sides, this skill's Combo Count +1.
Lv. Lv.50
Water Blade
Energy: 4 Power: 115 Physical Attack
Deals Physical Damage. Counter Status: This skill's Energy Cost permanently -3.
Lv. Normal Lineage
Counter
Energy: 2 Defense
Reduces damage taken by 70%. Counter Attack: Gain +70% to Attack and Magic Attack.
Lv. Grass Lineage
Wax Membrane
Energy: 2 Defense
80% damage reduction, when responding to an attack: restore 3 energy.
Lv. Fire Bloodline
Flame Shield
Energy: 2 Defense
70% damage reduction, when responding to an attack: enemy gains 6 layers of Burn.
Lv. Water Bloodline
Water Blaster
Energy: 2 Power: 80 Magic Attack
Deals magic damage to the enemy creature.
Lv. Light Lineage
Rainbow Impact
Energy: 3 Power: 100 Magic Attack
Deals magic damage to the enemy creature.
Lv. Earth Lineage
Muddy Skin
Energy: 2 Defense
80% damage reduction, when responding to an attack: enemy Combo Count -3.
Lv. Ice Lineage
Snow Substitute
Energy: 2 Defense
70% damage reduction, when responding to an attack: restore energy equal to 2× the energy cost of the responded skill.
Lv. Dragon Bloodline
Rising Dragon Roar
Energy: 3 Power: 200 Magic Attack
Charge up to deal magic damage to the enemy.
Lv. Electric Lineage
Focus
Energy: 2 Defense
80% damage reduction, when responding to an attack: return to field at the end of your turn.
Lv. Poison Bloodline
Festering Touch
Energy: 1 Power: 60 Physical Attack
Deals physical damage to the enemy creature.
Lv. Bug Lineage
Cover
Energy: 2 Defense
70% damage reduction, emergency retreat, when responding to an attack: next entering creature gains damage reduction.
Lv. Martial Bloodline
Counter Punch
Energy: 2 Power: 25 Physical Attack
Deals physical damage, 2 Combos. If attacking after the enemy, changes to 3 Combos.
Lv. Wing Lineage
Wing Shelter
Energy: 2 Defense
Reduces damage taken by 70%. Counter Attack: Gain +2 to combo count.
Lv. Cute Lineage
Blow Kiss
Energy: 2 Power: 80 Magic Attack
Deals magic damage to the enemy creature.
Lv. Nether Bloodline
Etherealize
Energy: 2 Defense
80% damage reduction, when responding to an attack: Magic Defense +70%.
Lv. Dark Lineage
Equivalent Exchange
Energy: 3 Defense
90% damage reduction, when responding to an attack: gain 50% Life Steal.
Lv. Mechanical Lineage
Ion Oscillation
Energy: 3 Power: 90 Magic Attack
Deals Magic damage. When this skill is in slot 3, Power +40, Transmission 1.
Lv. Phantom Lineage
Psychic Expansion
Energy: 2 Power: 80 Physical Attack
Deals physical damage to the enemy creature.
Lv.
Charm
Energy: 3 Power: 30 Magic Attack
Deals Magic DMG. 3 Combo. Gains Cute: Power permanently increases by 20.
Lv.
Tide
Energy: 4 Defense
60% damage reduction, when responding to an attack: gain 1 layer of Wet Mark.
Lv.
Spring
Energy: 6 Power: 90 Magic Attack
Deals Magic damage. For every -1 Energy Cost of this skill, Power +10.
Lv.
Web Bind
Energy: 2 Power: 60 Physical Attack
Deals physical damage. Enemy gains Physical Defense -30%.
Lv.
Bug Chirp
Energy: 2 Power: 15 Magic Attack
Deals Magic damage. For each Insect Chirp carried by party members, this skill's combo count +1.
Lv.
Bug Formation
Energy: 2 Defense
80% damage reduction, when responding to an attack: your team gains 1 random Devotion.
Lv.
Sonic Boom
Energy: 4 Power: 130 Magic Attack
Deals magic damage to the enemy creature.
Lv.
Smash and Crash
Energy: 3 Power: 80 Magic Attack
Deals Magic damage. When self has debuffs, this skill's Power +60.
Lv.
Ambush
Energy: 2 Power: 70 Magic Attack
Deals Magic damage. Counter status: This skill's Power becomes 3x.
Lv.
Borrow
Status
Each turn, randomly transforms into a skill from another creature on your team.
Lv.
Effective Prevention
Energy: 1 Defense
50% damage reduction. Counter: Next action gains Priority +1.
Lv.
Baptism
Energy: 1 Status
Dispels all debuffs from self and gains -1 Energy Cost for all skills.
Lv.
Warm-up Exercise
Energy: 2 Status
Self gains +3 Combo Count.
Lv.
Fearless Heart
Energy: 5 Defense
100% damage reduction. Counter: Convert reduced damage into HP recovery, and this skill's energy cost permanently increases by 2.
Lv.
Defense
Energy: 1 Defense
Reduces damage taken by 70%. Counters attacks.
Lv.
Power Boost
Energy: 1 Status
Self gains +100% Physical Attack.
Lv.
Water Wave Art
Energy: 6 Power: 90 Magic Attack
Deals Magic damage. At end of turn, this skill's Power permanently +20.
Lv.
Unwrap Gift
Energy: 3 Power: 50 Physical Attack
Deals Physical Damage. If the enemy has Cuteness, this skill's Power +100.
Lv.
Stacking Waves
Energy: 3 Power: 10 Physical Attack
Deals Physical Damage, 3-hit combo. For every -1 to this skill's Energy Cost, Power +10.
Matchups
受击伤害增加
Grass, Electric, Poison, Dark
受击伤害降低
Fire, Bug, Martial
Stats
Total 525
HP 91
Physical Attack 89
Magic Attack 94
Physical Defense 72
Magic Defense 107
Speed 72
Handbook Tasks
Codex Project
Progress: 3 items
Catch 1 Pokémon
Target: 1
Catch 1 Pokémon with Amazing Talent
Target: 1
Successfully evolve a creature 1 time
Target: 1
Magic Experience x150
Research Points x5
Magic Experience x150
Research Points x10
Light-Splitting Crystal x50
Research Points x10