★ Beginner's Guide and Advanced Tips and Tricks
★ The First Descendant Roadmap
★ Season 1 | New Update
★ New Characters: Hailey and Ultimate Freyna
☆ Season Guides: Battle Pass | Invasion Guide | ETA-0
☆ New Void Interception: Death Stalker
☆ New Weapon: Frost Watcher
This page lists all Auxiliary Power external components in The First Descendant. Read on to see the list of all Auxiliary Power, and learn what they are.
| Component | Tier | Stats | Set | Set Effects |
|---|---|---|---|---|
 Volcanic Auxiliary Power
|
Ultimate | Def 19 | Active Volcano |
2 set Effects: Fire Skill Power +2.8% 4 set Effects: ・Handgun, Handcannon, Shotgun ATK +6.6% Charged Sub Attack Damage +6.6% After reload, Skill Power +3.5% for 5s (up to 3 stacks), this effect is removed when using skill. |
 Frozen Heart Auxiliary Power
|
Ultimate | Max Shield 8 | Frozen Heart |
2 set Effects: Sniper Rifle, Scout Rifle, Critical Hit Rate 5% 4 set Effects: ・Skill Cooldown -4.7% ・Granting a buff to allies adds a stack of Frozen Heart Energy effect to self. ・At 4 Frozen Heart Energy effect stacks, Frozen Heart Energy converts to Frozen Heart Essence status effect. ・Frozen Heart Essence ・Firearm Weak Point DMG +18%, Skill Critical Hit Rate + 28%, Firearm Critical Hit Rate +7.9% for 10s. |
 Bravery Auxiliary Power
|
Ultimate | Max Shield 8 | Bravery |
2 set Effects: HP Recovery +1.8% Max Shield +11.9% 4 set Effects: ・Skill Duration increases proportionally to the ratio of Current Custom Resources to Max Custom Resources, up to 6.6%. 35% chance to reduce a random skill's cooldown 1.63s each whenever an enemy inflicted with Stun is defeated. |
 Venom Essence Auxiliary Power
|
Ultimate | Max Shield 8 | Venom Essence |
2 set Effects: Toxic Skill Power +6.2% 4 set Effects: ・Tactical Rifle, Assault Rifle Firearm Attribute, Effect Trigger + 12%. ・For each Poison stack inflicted upon enemies, Firearm ATK +2%, Skill Power Modifier + 0.7% for 5s at a 30% chance (up to 10 stacks, 5s duration) |
 Polar Night Auxiliary Power
|
Ultimate | Max HP 14 | Polar Night |
2 set Effects: Chill Skill Power + 6.2% 4 set Effects: ・For each Frostbite stack inflicted upon enemies, Firearm Critical Hit Damage +1.7%, Sklll Critical Hit Damage +6% (Up to 10 stacks, 5s duration) at a 30% chance. ・When defeating an enemy inflicted with Frostbite, inflicts additional damage equivalent to 12.2% of the enemy's max HP on enemies within a 2.5 radius at a 30% chance. |
 Slayer Auxiliary Power
|
Ultimate | Def 14 | Slayer |
2 set Effects: General Rounds Capacity +8% 4 set Effects: ・Rounds Per Magazine +9% ・Skill Cost +15% ・Skill Power +26.1% ・When defeating enemies with Towed, recovers MP and specialize resource 12.2% at 17% chance. |
 Annihilation Auxiliary Power
|
Ultimate | Def 14 | Annihilation |
2 set Effects: Skill Duration +5.7% 4 set Effects: ・Firearm ATK increases proportionally to the ratio of Max HP to HP lost, up to 26%. When HP is 50% or lower, MP Recovery -22%, HP Recovery +16.4 for 10 seconds (Cooldown 30s) |
 Supernova Auxiliary Power
|
Ultimate | Max Shield 8 | Supernova |
2 set Effects: Electric Skill Power Modifier +8.6% 4 set Effects: ・Fusion Skill Power Modifier +12% ・On Electric Skill Attack upon enemy inflicted with Electrocution, activates Executioner's Thunderbolt at the target's location, dealing additional Electric damage equivalent to 100% of Skill Power Modifier (Cooldown for 2s) at a 50% chance. |
 DEF Auxiliary Power
|
Ultimate | Def 19 | - | - |
 Shield Auxiliary Power
|
Ultimate | Max shield 6 | - | - |
 HP Auxiliary Power
|
Ultimate | Max HP 18 | - | - |
 Acrobat Auxiliary Power
|
Rare | Max Shield 8 | Acrobat |
2 set Effects: Skill Power+ 1.7% Firearm ATK+2.8% 4 set Effects: ・Firearm Critical Hit Rate +5.9% ・Skill Critical Hit Rate +21% |
 Swamp Recon Auxiliary Power
|
Rare | Max Shield 8 | Swamp Recon |
2 set Effects: Toxic Skill Power +6.2% 4 set Effects: ・Firearm Status Effect Trigger Rate +12% ・Skill Duration +6.6% |
 Veteran Marksman Auxiliary Power
|
Rare | Def 19 | Veteran Marksman |
2 set Effects: Firearm Critical Rate +5.1% 4 set Effects: ・Firearm ATK +6.6% ・Weak Point DMG +5.8% |
 Predator Auxiliary Power
|
Rare | Def 19 | Predator |
2 set Effects: HP Recovery +4.8% 4 set Effects: ・Toxic Skill Power Modifier +7.2% ・Fire Resistance+6.6% |
 Glacial Auxiliary Power
|
Rare | Max Shield 8 | Glacial |
2 set Effects: Chill Skill Power Modifier +8.6% 4 set Effects: ・Skill Cost -2.8% ・Firearm Critical Hit Rate +5.9% |
 Decimator Auxiliary Power
|
Rare | Max HP 18 | Decimator |
2 set Effects: Firearm Critical Rate +5.1% 4 set Effects: ・Weak Point DMG +5.8% ・Toxin Resistance +6.6% |
 Battle Aesthetics Auxiliary Power
|
Rare | Def 19 | Battle Aesthetics |
2 set Effects: Skill Critical Hit Rate +18% 4 set Effects: ・Skill Power +4% ・Skill Cost -2.8% |
 Tomb Vanguard Auxiliary Power
|
Rare | Def 19 | Tomb Vanguard |
2 set Effects: Def +25% 4 set Effects: ・Skill Power +2.6% ・Electric Resistance +6.6% |
 DEF Support Auxiliary Power
|
Rare | Def 10 | - | - |
 Shield Enhancement Auxiliary Power
|
Rare | Max Shield 2 | - | - |
 HP Support Auxiliary Power
|
Rare | Max HP 9 | - | - |
 DEF Support Auxiliary Power
|
Standard | Def 10 | - | - |
 Shield Enhancement Auxiliary Power
|
Standard | Max Shield 2 | - | - |
 HP Support Auxiliary Power
|
Standard | Max HP 9 | - | - |
 Hungry Sonic Auxiliary Power
|
Ultimate | DEF 3512 | Hungry Sonic |
2 set Effects: Toxin Resistance +2.8% 4 set Effects: ・Grants 1 stack of Efflux upon Skill use. Get 1 stack of Wave and 10 stacks of Efflux after using an Enhanced Skill. Wave recovers MP by 0.2% per stack when hitting an enemy with a Unique Weapon. At 50 stacks of Efflux, convert to Efflux to Tuning. Tuning= Skill Duration +1.79% proportional to Max MP, HP Heal Modifier +2.83%. |
Auxiliary Powers are a type of external component that increases a descendant's stats and adds effects to their gameplay.
Some Ultimate and Rare auxiliary powers belong to a set. When 2 or 4 components of a set are equipped, additional bonuses are given.
| Set Names | |||
|---|---|---|---|
| Active Volcano | Frozen Heart | Bravery | Venom Essence |
| Polar Night | Slayer | Annihilation | Supernova |
| Acrobat | Swamp Recon | Veteran Marksman | Predator |
| Glacial | Decimator | Battle Aesthetics | Tomb Vanguard |
| Auxiliary Power | Memory |
| Processor | Sensor |
All Auxiliary Power
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