Trait
Spawning Migration
Each time it enters Charge state, permanently reduces all skill energy costs by 1.
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NO.240
Swiftfin
Water Dragon Phase II Original Form
Its forehead bulges prominently with a hollow air sac inside, allowing it to freely change the shape of its brow—likely by shifting internal air. It possesses remarkable diving ability, capable of agile underwater spins while producing varied calls to summon companions and sing ancient songs of dragon transformation from deep memory.
Dex Number
240
Category
Dragonblood Spirit
Height
0.27~0.39 M
Weight
14.5~16.8 KG
Updated
2026-04-02
Distribution
Commonly found on the sea surface
Recommended Skill Sets
Charge Counter Magic Build
Playstyle
Repeatedly charge with Dragon Chant to stack Spawning for cost reduction, use Resentful Strike to counter key enemy skills, Deluge and Moisture provide high magic output, suitable against high-power output opponents.
Why this set works
Centered around Dragon Chant as core engine, triggering the Spawning trait through multiple charges to reduce team energy cost, Grudge Strike as countermeasure against enemy high-power skills, Sky Flood for stable magic output, Moisture to further strengthen magic attack. This build fully utilizes Quickfin's charge mechanism and magic attack advantage, forming a complete tactical chain of charge-counter-burst.
Dragon's Chant
Why pick this skill
Core Charge skill. Provides massive buffs of +100% dual attack and +60 Speed. Simultaneously triggers Spawning trait to permanently reduce all skills' energy cost by 1. Core engine of the Swift Fin Fish tactical system.
Grudge Strike
Why pick this skill
Unique counter-charge skill, if attacked during charging, power becomes 3× enemy skill power. Synergizes with Dragon Chant's Speed boost to charge first, countering high-power enemy skills for instant kills
Heavenly Flood
Why pick this skill
High-power Magic output skill, permanently -6 Energy cost after Response state. Combined with Dragon Chant's Magic Attack boost and Migration trait's cost reduction, can achieve extremely low-cost high Magic damage in late game.
Moisture
Why pick this skill
Provides massive +190% Magic Attack boost, further strengthening magic damage output. Can be used before or after Dragon Chant, flexibly choosing buff timing based on situation.
Physical Sustain Build
Playstyle
After Dragon Chant activates, alternate between Water Blade and Dragon Claw. Dragon Claw's lifesteal maintains HP, while Stance saves you in emergencies or makes charging skills instant-cast, suitable for attrition and drawn-out battles.
Why this set works
Centered around Dragon Chant, going physical damage route, Water Blade for stable physical damage, Dragon Claw balancing damage and lifesteal sustain, Stance providing survival and instant cast capability. This build balances damage and survival, suitable for prolonged battles.
Dragon's Chant
Why pick this skill
Core Charge skill. Provides +100% dual attack and +60 Speed. Triggers Spawning trait to reduce energy cost, preparing for subsequent Physical damage output.
Water Blade
Why pick this skill
High-power Physical damage skill, permanently -4 Energy cost after Counter state. Combined with Dragon Chant ATK boost and Migration cost reduction, extremely low cost in late game.
Dragon's Sharp Claw
Why pick this skill
Charge deals physical damage with 50% lifesteal, providing sustain; also triggers Spawning characteristic for further cost reduction, an important sustain method for physical builds
Stance
Why pick this skill
Restores 20% HP and removes charge from next skill, can save life at critical moments or let charged skills like Dragon Claw/Resentment Strike fire instantly, increasing tactical flexibility.
Fast-attack flaw build
Playstyle
After Dragon Roar's speed boost, seize absolute initiative with first strike. Dragon Breath Ring Burst triggers instant cast through its Response mechanic, while Resentful Strike counters enemy key skills. Suppress opponents through speed advantage and tempo control.
Why this set works
Offensive build pursuing Speed and rhythm control: Dragon Chant provides Speed buff, Dragon Breath Ring Burst achieves charge-instant rhythm conversion, Grudge Strike as core counter, First Strike ensures initiative. This build emphasizes proactive offense and rhythm suppression.
Dragon's Chant
Why pick this skill
Core Charge skill. Provides +60 Speed to ensure first action, +100% dual attack to comprehensively boost damage capability, triggers Spawning cost reduction.
Dragonbreath Ring Blast
Why pick this skill
Deals magic damage and the next skill requires no charging after reacting. Can combo with Dragon Chant: Dragon Chant charge → Dragon Breath Ring Explosion react → next skill instant cast, accelerating tempo.
Grudge Strike
Why pick this skill
Counter-charging skill, combined with Dragon Chant's speed bonus for first-strike charging, counters enemy high-power skills for burst damage.
First Strike
Why pick this skill
Priority +1 Physical skill, with Dragon Chant Speed boost ensures absolute priority, used for finishing off or interrupting enemy tempo.
Notes
- The Spawning trait causes Swift Fin to permanently reduce all skill energy costs by 1 each time it enters a charging state, greatly encouraging charged skills and enabling low-energy high-output through multiple charges.
- Swift Fin Dragon Chant is the core charge skill, providing massive buffs of +100% Dual Attack and +60 Speed, combined with trait can quickly reduce whole team's skill energy cost.
- Grudge Strike is a unique counter charge skill, when attacked during charge its power becomes 3x the enemy's skill power, with extremely high burst potential.
- Deluge and Dragon Cannon are the main damage skills; Deluge deals Magic damage and permanently reduces energy cost by 6 after responding, while Dragon Cannon deals Physical damage.
- Swift Fin has base Magic Attack 99 slightly higher than Physical Attack 93, but the gap is small. Can choose Magic or Physical route based on moveset.
Gallery
True Body
Fruit
Pet Egg
Evolution Chain
Skills
Lv. LV1
Magic Amplification
Self gains +70% Magic Attack.
Lv. LV1
Surge
Energy: 80
Deals physical damage to the enemy creature.
Lv. LV3
Horn Strike
Energy: 80
Deals magic damage to the enemy creature.
Lv. LV9
Stance
Restore 20% HP to self; next skill requires no charging.
Lv. LV11
First Strike
Energy: 55
Deals Physical DMG. Priority +1.
Lv. LV21
Soak
Self gains 1 stack of Wet Mark.
Lv. LV25
Water Curtain Impact
Energy: 100
Deals physical damage to the enemy creature.
Lv. LV29
Dragon's Chant
Charge up to gain +100% Dual Attack and +60 Speed.
Lv. LV33
Dragon Cannon
Energy: 100
Deals physical damage to the enemy creature.
Lv. LV34
Moisture
Self gains +190% Magic Attack.
Lv. LV37
Dragon's Sharp Claw
Energy: 130
Charge up to deal physical damage and drain 50% HP.
Lv. LV41
Grudge Strike
Energy: 1
Charge up to deal magic damage. If attacked during charging, this skill's power becomes 3x the enemy's skill power.
Lv. LV46
Dragonbreath Ring Blast
Energy: 55
Deals Magic damage. Counter status: Next skill requires no charging.
Lv. LV48
Water Blade
Energy: 115
Deals physical damage. Counter state: This skill's Energy Cost is permanently reduced by 4.
Lv. LV50
Heavenly Flood
Energy: 150
Deals Magic damage. Counter status: This skill's Energy Cost permanently -6.
Matchups
Weak Against
Ice, Dragon, Cute
Stats
HP 60
Physical Attack 93
Magic Attack 99
Physical Defense 89
Magic Defense 93
Speed 100
Total 534
Handbook Tasks
Swiftfin Fish Archive Topic
Progress: 7/7
Catch 1 Pokémon
Target: 1
Catch 1 Pokémon with Amazing Talent
Target: 1
Successfully evolve a creature 1 time
Target: 1