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SkillsEdit

Skills can be broadly divided into three types, some of which have passive effects.

Skill Description
Normal Skill This is each Astromon's basic attack. Its passive effect has a chance of coming into effect when it is used. However, only Astromons 3Star and higher gain these effects.
Active Skill This is a skill that can be used when an Astromon's skill gauge is full. It is stronger than a Normal Skill, and can either attack one enemy, attack all enemies, or heal allies depending on the Astromon. Its passive effect has a chance of coming into effect when it is used. However, only Astromons 5Star and higher gain these effects.
Leader Skill Only Variant Astromons have a leader skill, which activate when a Variant Astromon is assigned as leader. This skill has no additional passive effect.

PassivesEdit

Each Astromons Normal and Active attack has an Passive Skill. Passive skills differ from Astromon to Astromon, so be sure to read their Passive Skill's details.

List of Passives
Icon Passive Skill Activation Type Description
Adrenaline Adrenaline Auto Restores HP when attacking.
Aggression (Defense) Aggression (Defense) Auto Defense replaces Attack in determining damage dealt.
Aggression (HP) Aggression (HP) Auto Max HP replaces Attack in determining damage dealt.
Aggression (Recovery) Aggression (Recovery) Auto Recovery replaces Attack in determining damage dealt.
Attack Down Attack Down Debuff Decreases the target's damage output by 50%.
Attack Up Attack Up Buff Increases the target's damage output by 50%.
Azure Spirit's Bounty Azure Spirit's Bounty Buff Increases the target's SP recovery.
Battle Rush Battle Rush Auto Restores both HP and SP when attacking.
Blind Blind Debuff Decreases the target's critical hit rate and critical hit damage.
Buff Breaker Buff Breaker Auto Dispels all positive effects, except Shields.
Courageous Strike Courageous Strike Auto Grants additional attack power proportional to the target's maximum HP.
Defense Down Defense Down Debuff Decreases the target's defense by 70%. Has no effect on the Aggression (Defense) passive.
Defense Up Defense Up Buff Increases the target's defense by 70%. Has no effect on the Aggression (Defense) passive.
Dominance Dominance Buff Attacks also decrease the target's SP in proportion to the amount of damage dealt.
Curse Curse Auto Damages the target by ?% of its max HP at the beginning of its turn, ignoring defense. If it is on a Titan, it will deal ? damage.
[] Elemental Edge Auto Attacks against any enemy are treated as that enemy's elemental weakness.
Expose Weakness Expose Weakness Debuff Exposed foes take increased damage from the next attack
Fatigue Fatigue Debuff Negates the target's SP recovery from Blue Souls.
[] Fearless Taunt Debuff 100% chance to reduce damage received by X% for Y turn(s). And grants a Z% chance to draw target's attention for W turn(s)[1]
Fulminating Curse Fulminating Curse Debuff Deals addition damage based on the number of curses on opponent
HP Siphon HP Siphon Auto Restores HP by 40% of damage dealt or, if "greatly" is part of the description, 30% of the damage dealt.
Hunter Hunter Auto Increases critical hit damage.
Merciless Strike Merciless Strike Debuff Increases damage in porpotion to the number of negative effects on opponet
Morale Boost Morale Boost Auto Restores SP when attacking.
Morale Boost Morale Boost Buff Restore SP, based on the amount of HP ratio depleted from your attack.
30px Persevere Increases attack each turn passes. Stacks up to 10 turns.
Petrification Petrification Debuff Encases the target in ice or stone, preventing it from doing anything, but increases its defense by 1000%.
Predator Predator Auto Increases the inflicted damage.
Purification Purification Auto Cleanses all negative effects.
Recovery Down Recovery Down Debuff Decreases all healing done to the target by 50%. Has no effect on the Recovery stat and the Aggression (Recovery) passive.
Recovery Up Recovery Up Buff Increases all healing done to the target by 50%. Has no effect on the Recovery stat and the Aggression (Recovery) passive.
Resilience Resilience Buff Restores target's SP in proportion to the amount of damage taken.
[] Resist down debuff Lowers enemy resistance by ?
Sap Sap Debuff Damages the target by 5% of its max HP at the beginning of its turn, ignoring defense. If it is on a Titan, it will deal 5000 damage.
Seal Seal Debuff Prevents target's passive skills from activating.
Shield Shield Buff Grants a shield to the target. Shields can absorb damage and prevent Sap, Petrify, Silence, and other debuffs from applying.
Shield Breaker Shield Breaker Auto Dispels the target's Shields.
Shock Shock Debuff Electrifies the target, preventing it from doing anything and decreasing its defense by 50%.
Silence Silence Debuff Mutes the target, preventing it from using its active skill.
Sleep Sleep Debuff Makes the target fall asleep, preventing it from doing anything as long as it does not take any critical hit.
Soul Boon - Blue Soul Boon: Blue Auto Grants bonus blue souls when an enemy drops red souls.
Soul Boon - Red Soul Boon: Red Auto Grants bonus red souls when an enemy drops blue souls.
SP Siphon SP Siphon Auto Attacks steal the target's SP. Enemies resistance does not effect this skill[2]
Stalker Stalker Auto Increases critical hit rate.
Stun Stun Debuff Dazes the target, preventing it from doing anything.
Taunt Taunt Debuff Draws the target's attention, preventing it from attacking anyone else or using its active skill.
Thirst Thirst Debuff Decreases the target's SP by a set amount at the beginning of its turn.
Unflinching Strike Unflinching Strike Auto Grants slightly additional attack power proportional to the target's maximum HP.
Vengeance Vengeance Buff Increases attack in proportion to the amount of HP lost.
Vigor Vigor Buff Restores a set amount of target's HP at the beginning of its turn.
[] Weaken Debuff Reduce's target def + atk by ~40%[3]
Zeal Zeal Buff Restores a set amount of target's SP at the beginning of its turn.

Skill BooksEdit

Some Astromons' Active and Passive skills can be leveled up using unit-specific "Skill Books." In order for an Astromon to level up its skills it must be a 5Star. Not all Astromon's skills can be upgraded using Skill Books.

Skill Books can be found by completing/grinding story regions, special dungeons, and by defeating Legendary Astromons. When using a Skill Book to level up an Astromon's skills, the player will consume the Skill Book and pay a gold fee. There are five levels of upgrades for each of the Astromon's skills. Every Astromon has their skills starting at level 1. When used, one of the skills will be leveled up at random and is leveled up independently of one another (ie. You could have a level 3 second passive and a level 1 primary passive).

They can be received from this specific chest:

Fg
Skill Book Level Up Costs

Upgrade Cost Upgrade Cost
1 50,000 Gold 6 50,000 Gold
2 50,000 Gold 7 50,000 Gold
3 50,000 Gold 8 50,000 Gold
4 50,000 Gold 9 50,000 Gold
5 50,000 Gold 10 50,000 Gold

Upgrade Cost Upgrade Cost
1 100,000 Gold 6 100,000 Gold
2 100,000 Gold 7 100,000 Gold
3 100,000 Gold 8 100,000 Gold
4 100,000 Gold 9 100,000 Gold
5 100,000 Gold 10 100,000 Gold

Upgrade Cost Upgrade Cost
1 300,000 Gold 6 300,000 Gold
2 300,000 Gold 7 300,000 Gold
3 300,000 Gold 8 300,000 Gold
4 300,000 Gold 9 300,000 Gold
5 300,000 Gold 10 300,000 Gold

Upgrade Cost Upgrade Cost
1 700,000 Gold 6 700,000 Gold
2 700,000 Gold 7 700,000 Gold
3 700,000 Gold 8 700,000 Gold
4 700,000 Gold 9 700,000 Gold
5 700,000 Gold 10 700,000 Gold

Leader SkillsEdit

Variant Astromons have leader skills. You can randomly encounter a Variant version of an Astromon in battle. You can transfer a leader skill through Variant Evolution.

Leader Skill Description
Azure Spirit's Blessing Azure Spirit's Blessing Increases allies' SP recovery from 10% up to 25%.
Crimson Spirit's Blessing Crimson Spirit's Blessing Increases allies' HP recovery from 10% up to 25%.
Critical Boost Critical Boost Increases allies' critical hit rate from 10% up to 25%.
Deathblow Deathblow Increases allies' critical hit damage from 20% up to 45%.
Fighting Spirit Fighting Spirit Increases allies' attack from 20% up to 45%.
Firm Resolve Firm Resolve Increases allies' resistance from 10% up to 25%.
Grace of Life Grace of Life Increases allies' HP from 20% up to 45%.
Protector's Shield Protector's Shield Increases allies' defense from 10% up to 35%.
Surging Vitality Surging Vitality Increases allies' recovery from 10% up to 35%.

SynergyEdit

When certain sets of Astromon are used within the same team, a Synergy bonus will be applied to the entire team. You cannot use duplicates of the same Astromon to complete a bonus.

*If requirements are met for more than one synergy bonus with the same effect, only the bonus with the highest value will be applied

  • Note: These Synergy bonuses can stack with others.
Synergy Name Stat Bonus Bonus Location Targets Affected Activation Count Synergy Astromon
Light Power HP +5%All BattlesAll Allies 3 All Light Astromon
Dark Power HP +5%All BattlesAll Allies 3 All Dark Astromon
Fire Power HP +5%All BattlesAll Allies 3 All Fire Astromon
Water Power HP +5%All BattlesAll Allies 3 All Water Astromon
Wood Power HP +5%All BattlesAll Allies 3 All Wood Astromon

  • Note: These Synergy bonuses can stack with others.
Synergy Name Stat Bonus Bonus Location Targets Affected Activation Count Synergy Astromon
Sisterhood Def +6%All BattlesAll Allies 3 All Female Astromon
Brotherhood Def +6%All BattlesAll Allies 3 All Male Astromon

  • Note: These Synergy bonuses can stack with others.
Synergy Name Stat Bonus Bonus Location Targets Affected Activation Count Synergy Astromon
Healthy Tanks HP +7%All BattlesSynergy Astromon 3 All Tank Astromon
Concentrated Attack Atk +5%All BattlesSynergy Astromon 3 All Attacker Astromon
Ironclad Defense Def +7%All BattlesSynergy Astromon 3 All Defender Astromon
Healing Touch HP +5%All BattlesAll Allies 2 All Recovery Astromon
Balancing Act Resist +6%All BattlesSynergy Astromon 3 All Balanced Astromon

  • Note: These Synergy bonuses can stack with others.
Synergy Name Stat Bonus Bonus Location Targets Affected Activation Count Synergy Astromon
Evo Power Lv. 1 Def +5%All BattlesAll Allies 3 All Evolution 2 or 3 Astromon
Evo Power Lv. 2 Def +8%All BattlesAll Alies 3 All Evolution 3 Astromon

  • Note: Element does not matter for these bonuses.
    • Example: You can use a Light Mona to obtain the "High Tide" bonus.
  • Newer synergies have untested astromons
Synergy Name Stat Bonus Bonus Location Targets Affected Activation Count Synergy Astromon
Spring Chickens HP +5%All BattlesAll Allies 2 Bird Astromon

Boltwing FireGaruda Light
Boltwing, Garuda

Dragonblood Resist +6%All BattlesSynergy Astromon 2 Dragonic Astromon

Balrona FireDraka FireSparkitt Fire
Balrona, Draka, Sparkitt

Spearmasters Def +6%All BattlesSynergy Astromon 3 Spear-wielder Astromon

Odin DarkVictoria Light Siegfried Fire
Odin, Victoria, Siegfried

Swordmasters Def +6%All BattlesSynergy Astromon 3 Sword-wielder Astromon

Jeanne LightArthur Fire Mona WaterBalrona Dark Succubus WoodIndra Water Gatito LightValkyrie Dark
Jeanne, Arthur, Mona, Balrona, Succubus, Indra, Gatito, Valkyrie

Trained Ninjas Crit Dmg +8%All BattlesSynergy Astromon 2 Ninja Astromon

Shinobi DarkPhibian Water
Shinobi, Phibian

Deceivers Crit Rate +5%All BattlesSynergy Astromon 2 Deceiver Astromon

Pinolo WoodLoki Water
Pinolo, Loki

Young Sorceresses Crit Rate +5%All BattlesAll Allies 2 Young Soceress Astromon

Canna LightJellion Dark
Canna, Jellion

Noble Knights Crit Rate +7%Astromon LeagueSynergy Astromon 3 Knight Astromon

Arthur FireJeanne Light Siegfried DarkD'Artagnan Fire
Arthur, Jeanne, Siegfried, D'Artagnan

Love is in the Air Crit Dmg +10%Astromon LeagueSynergy Astromon 2 Lover Astromon

Sanzang WaterSun Wukong Fire
Sanzang, Sun Wukong

Frienemies Atk +6%All BattlesSynergy Astromon 2 Frienemy Astromon

Crowhook WoodD'Artagnan LightGatito DarkHunter DarkLatt WaterSeastar DarkTigar FireVampire FireWoolf DarkYaksha Water
Crowhook, D'Artagnan, Gatito, Hunter, Latt, Seastar, Tigar, Vampire, Woolf, Yaksha

Warrior's Strength Atk +5%All BattlesSynergy Astromon 3 Warrior Astromon

Shiva WaterSiegfried FireIndra WoodSun Wukong FirePoseidon Water Tigar FireLeo WoodThor Fire Mino Fire
Shiva, Siegfried, Indra, Sun Wukong, Poseidon, Tigar, Leo, Thor, Mino

Feral Howl Crit Dmg +9%Astromon LeagueSynergy Astromon 2 Beast Astromon

Sparkitt FireMammont FireMera FireWoolf Light,Wendigo FirePenpen WaterTai Light
Sparkitt, Mammont, Mera, Woolf, Wendigo, Penpen, Tai

High Tide Atk +5%All BattlesSynergy Astromon 3 Aquatic/Coastal Astromon

Poseidon WaterMari WaterHermite Water Shellie WaterSeiren WaterMona WaterSeastar WaterJellai WaterBeth Water Crowhook Water Wumoo WaterLumo WaterPinchee WaterArc WaterStarrov Water
Poseidon, Mari, Hermite, Shellie, Seiren, Mona, Seastar, Jellai, Beth, Crowhook, Wumoo, Lumo, Pinchee, Arc, Starrov

Animal Protection Def +8%All BattlesSynergy Astromon 3 Animal Astromon

Latt FireMonkiki FireBirdie WaterRabbitle WoodRudolph WoodColte Light Bellpup FireMoler FireBron FireSquirrus FireOtari Dark
Latt, Monkiki, Birdie, Rabbitle, Rudolph, Colte, Bellpup, Moler, Bron, Squirrus, Otari

Nightcrawlers Crit Dmg +8%All BattlesSynergy Astromon 3 Nocturnal Astromon

Nightmare FireIncubus Fire Succubus FireVampire WaterBanshee FireJack-O-Little LightNifa Light Cosmo Light Kilobat DarkGhos Light
Nightmare, Incubus, Succubus, Vampire, Banshee, Jack-O-Little, Nifa, Cosmo, Kilobat, Ghos

Mages' Guild Atk +5%All BattlesSynergy Astromon 3 Magic Astromon

Persephone FireNightmare WoodSanzang WaterOnmyoji Dark Cura Fire,Banshee WoodVerde LightLoki WaterIncubus FireChloe Fire Medusa Light
Persephone, Nightmare, Sanzang, Onmyoji, Cura, Banshee, Verde, Loki, Incubus, Chloe, Medusa

Snowy Village Crit Rate +5%All BattlesSynergy Astromon 3 Glacial Astromon

Mammont WaterSnowee WaterYuki Water Wendigo WaterYeti WaterRudolph Wood Penpen WaterOtari Water
Mammont, Snowee, Yuki, Wendigo, Rudolph, Penpen, Otari

Furry Friends Atk +5%All BattlesSynergy Astromon 3 Furry Astromon

Tigar FireMino FireYeti Fire,D'Artagnan FireSun Wukong Fire Miho FireWildfang FireGatito FireAnu FireWendigo Water
Tigar, Mino, Yeti, D'Artagnan, Sun Wukong, Miho, Wildfang, Gatito, Anu, Wendigo

Spectral Force Atk +5%All BattlesSynergy Astromon 3 Spectral Astromon

Cotteen FireJack-O-Lantie Dark Pixie LightGemini Dark Jinn WaterTruffel Fire Bon WaterBellpup Wood Minicat WoodNifa Light Sparkler Dark
Cotteen, Jack-O-Little, Pixie, Gemini, Jinn, Truffel, Bon, Bellpup, Minicat, Nifa, Sparkler

Overgrown Bushes Atk +6%All BattlesSynergy Astromon 3 Plant-like Astromon

Hana WoodJack-O-Little Light Seedler WoodCocomaru WoodMandragora Wood Manelant WoodMushi WoodRowan Wood
Hana, Jack-O-Little, Seedler, Cocomaru, Mandragora, Manelant, Mushi, Rowan


Childhood Friends HP +8%All BattlesSynergy Astromon 3 Starter Astromon

Miho FireLatt FireCocomaru FireBirdie Fire
Miho, Latt, Cocomaru, Birdie

Iron Fists Atk +8%DungeonsSynergy Astromon 2 Fist Fighting Astromon

Leo WaterMushi FireMonkiki WoodSura Water Yaksha FireGaruda WoodAnu Water
Leo, Mushi, Monkiki, Sura, Yaksha, Garuda, Anu

Goddesses of War Atk +5%All BattleSynergy Astromon 3 Female War Deity Astromon

Mona FireJeanne FireOdin FireVictoria FireValkyrie WoodWildfang FireYaksha Fire
Mona, Jeanne, Odin, Victoria, Valkyrie, Wildfang, Yaksha

Cold-Blooded Atk +8%DungeonsSynergy Astromon 2 Cold-Blooded Astromon

Medusa FireToadora LightCrowhook Fire, Wormtail FirePhibian Water
Medusa, Toadora, Crowhook, Wormtail, Phibian

Mentor & Disciple Crit Rate +7%Astromon LeagueSynergy Astromon 2 Mentor/Disciple Astromon

Indra WaterShiva Fire
Indra, Shiva

Celebrities Crit Dmg +10%Astromon LeagueSynergy Astromon 2 Celebrity Astromon

Valkyrie FireCanna Fire
Valkyrie, Canna

From the East Atk +8%Astromon LeagueSynergy Astromon 2 Eastern Astromon

Sun Wukong FireSanzang FireOnmyoji Fire, Shinobi Fire
Sun Wukong, Sanzang, Onmyoji, Shinobi

Oz-some Party HP +5%All BattlesSynergy Astromon 3 Wizard of Oz Astromon

Cura FireLeo WoodPersephone WaterRadis Fire
Cura, Leo, Persephone, Radis

Ragnarok Atk +5%All BattlesSynergy Astromon 2 Nordic Astromon

Loki WaterOdin WaterValkyrie WaterThor Light
Loki, Odin, Valkyrie, Thor

Team Players Def +10%All BattlesSynergy Astromon 2 Team Astromon

Canna WaterGemini Fire
Canna, Gemini

Sharpshooters Crit Rate +7%Astromon LeagueSynergy Astromon 2 Archer Astromon

Cupid FireHunter Water
Cupid, Hunter

Money Pouches Atk +8%DungeonsSynergy Astromon 2 Money/Rogue Astromon

Mimic DarkFennec FireGrabag LightCrowhook WaterSeastar WoodSquirrus FireGatito Dark
Mimic, Fennec, Grabag, Crowhook, Seastar, Squirrus, Gatito

We're the Boss! HP +5%All BattlesSynergy Astromon 3 Story Boss Astromon

Cocomaru WoodCandling FireHermite WaterToadora Dark Mona FireJellai WaterBoltwing FireRocky Light Tigar FireMera FireWendigo WaterRadis Dark
Cocomaru, Candling, Hermite, Toadora, Mona, Jellai, Boltwing, Rocky, Tigar, Mera, Wendigo, Radis

Living Legends Atk +8%DungeonsSynergy Astromon 2 Legendary Astromon

Boltwing WoodAnu FireMera LightMammont Water
Boltwing, Anu, Mera, Mammont

References Edit

  1. https://invidio.us/watch?v=jAW0X9oSNEg&list=PLnfYaLLpq_ODxumafZGh6k337W0rjGpX4
  2. https://youtu.be/REcp0A8d7F8?t=402
  3. https://www.reddit.com/r/MSLGame/comments/9g51l2/question_how_strong_is_the_weaken_skill/
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