CODEX · ARCHIVE
Browse every card, benefit and trade-off in Ember Vault’s upgrade system.
Summon a miniboss to challenge; occasionally summons the floor boss.
EffectOn acquisition: summon one miniboss in the current room.
Trade-off1% chance to summon this floor’s boss instead. Doors stay locked until all enemies are defeated.
Transform your weapon into a powerful laser that pierces targets.
EffectHold to charge and release to fire for 1.5s. Each 0.1s tick deals 50% player damage, pierces enemies and applies on-hit effects. Unlimited stacks: each extra copy adds 25 percentage points of tick damage and 25% of the original beam width. Charge time scales with attack speed.
Trade-offEarly release cancels charging; rocks block the beam, walls block it after bounces run out.
Increase attack damage.
EffectDamage ×1.4 per tier.
Fire faster with a shorter delay between volleys.
EffectDelay between shots ×0.77.
Fire two extra projectiles with your current on-hit effects.
Effect+2 projectiles per volley. All projectiles share active effects. At 3 levels: attack speed multiplier −0.3.
Gain maximum health and heal on pickup.
EffectMax HP +2 (cap 10); heal 3 HP on pickup.
Move faster.
EffectMovement speed ×1.18.
Projectiles pierce through targets in their path.
EffectProjectiles pierce all enemies; hits each enemy once.
Fully restore health on pickup.
EffectOn pickup: fully heal.
Increase damage and projectile size.
Effect+0.3 damage and +2 projectile radius per level.
Attacks burn targets, dealing damage over time.
EffectAttacks burn for 3s, dealing 25% damage/sec per tier.
Attacks stack poison for increasing damage over time.
EffectAttacks poison for 4s: up to 5 stacks, each dealing 12% damage/sec per card level.
Attacks slow enemies.
EffectSlows enemies by 25% per tier for 2s.
Shots chain lightning and effects between nearby enemies.
EffectEach projectile chains 45% damage and status effects to 2 nearby enemies per level.
Projectiles seek enemies they have not hit yet.
EffectProjectiles home toward the nearest enemy not yet hit. Level 2 turns faster.
Projectiles bounce off walls and rocks.
EffectProjectiles bounce off walls or rocks 2 times per tier.
Projectiles split into fragments on their first hit.
EffectFirst impact creates 2 fragments per level, each with 45% damage and projectile effects.
Shots explode on impact, dealing area damage.
EffectExplodes on hit: 55% damage in 65 radius; tier 2 increases radius.
Gain a hit-blocking shield in each new combat room.
EffectGain 1 shield per level in each new combat room; each shield blocks one hit.
Deal much more damage, but take more damage too.
Effect+1.5 damage per level.
Trade-offIncoming damage ×1.25.
Larger, stronger shots at the cost of firing and movement speed.
Effect+1 damage and +3 projectile radius per level.
Trade-offShot interval ×1.45; movement ×0.85 per level.
Add one projectile and fire faster, but lose damage per level.
Effect+1 projectile and +0.35 attacks/sec.
Trade-off−0.75 damage per level.
Gain more embers, but enemies gain more health.
EffectCinder drops ×1.75 per tier.
Trade-offMonsters have +20% HP per tier, applied immediately and to next rooms.
Heal by killing enemies; hearts and healing cards become weaker.
EffectKill streaks restore HP.
Trade-offHealing from hearts and cards is reduced to 60%.
Kills grant extra embers; spend some automatically to heal.
EffectEach kill grants 2 extra embers per level.
Trade-offWhen wounded, spend 1 ember to restore 0.1 HP per level.
Fire rapidly; sustained firing briefly overheats your weapon.
EffectFire delay ×0.6.
Trade-offFiring continuously for 2s jams weapon for 0.8s. Cease fire to cool.
Held cursed-card levels increase your damage.
Effect+0.25 damage per held cursed-card level, including this card.
Missing health boosts damage, but healing becomes weaker.
Effect+0.2 damage per missing red HP per card level, counting up to 10 missing HP.
Trade-offAll healing ×0.5 per level.
Dead enemies explode with your effects; blasts can hurt you too.
EffectDying enemies explode for 80% damage in 100 radius with status.
Trade-offYour explosions deal 0.5 self-damage if inside blast radius.
Held embers increase damage; taking hits costs embers.
Effect+0.008 damage per held ember.
Trade-offLose 5 cinders whenever you take damage from enemies or blasts.
Fire faster, but enemies move and shoot faster too.
EffectFire delay ×0.7 per tier.
Trade-offEnemies move and shoot 20% faster per tier.
Using a skill creates a stone statue that blocks enemy shots.
EffectUsing a skill creates a stone statue with 25 HP that blocks enemy shots.
Store extra consecutive skill charges.
EffectStores 2 extra consecutive skill charges (maximum 3).
Hits restore health; every volley costs health.
EffectHits restore HP.
Trade-offEach volley consumes 0.03 health, including missed shots.
Periodically build a turret that fires homing shots.
EffectEvery 10s, deploy a Cinder Turret at your position that fires 3 homing projectiles. You can still fire normally.
Summon a bone warrior after enough kills.
EffectEvery 5 kills summons a Bone Minion to fight alongside you.
Gain damage, speed and health; repeated damage in a room destroys a card.
Effect+0.2 damage per level · Movement ×1.25 · Max HP +2 (cap 10).
Trade-offTaking 2 damage in a single room permanently destroys 1 held card.
Unbroken kill streaks reward cards of increasing rarity.
EffectSlaying consecutive enemies without taking damage at milestones 5-10-20-30-50 grants tier F-D-C-B-A cards respectively (max 5 rewards, consumed when completed).
Gain damage; taking a hit spawns another enemy.
Effect+0.1 damage; total damage ×1.2.
Trade-offTaking damage spawns a nearby enemy; 5% miniboss, 1% floor boss.
Double ember drops; dead enemies explode and damage both sides.
EffectCinder drops ×2.
Trade-offAll dying monsters explode in 95 radius damaging nearby monsters and you.
Gain damage and embers; enemies and bosses have double health.
Effect+1 damage per level; collected embers ×1.5.
Trade-offAll monsters and bosses on the floor gain double (×2) maximum health.
Allies inherit your projectile effects and explode on death.
EffectAllies (Minions, Turrets, Statues) inherit all your bullet effects and explode on death.
Gain two random cards, possibly including curses.
EffectInstantly unlocks 2 random cards from any rarity tier.
Trade-offMay unleash dangerous curse cards.
Replace a random held card with a higher-rarity card.
Effect1 random held card is sacrificed and transmuted into a higher tier card (B/A/S).
Trade-offSacrificed card is chosen purely at random.
Each room randomly boosts or reduces all stats.
EffectEach room rolls: all stats increase by 25% or decrease by 25%.
Increase damage and burning power.
Effect+0.15 damage per level. Burn: +0.2
Move faster and recharge skills sooner.
EffectMovement: ×1.08 · Skill cooldown: ×0.95.
Faster projectiles with a higher critical chance.
EffectProjectile speed: ×1.15 · Crit chance: +3 percentage points.
Larger, longer-lasting projectiles.
EffectProjectile lifetime: ×1.15 · Projectile radius: +1.
Gain more embers and collect items from farther away.
EffectEmber drops: ×1.12 · Pickup range: +25.
Improve healing and restore health on kills.
EffectHealing ×1.1 · Heal 0.04 HP per kill.
Burn enemies harder and longer.
EffectBurn: +0.35 · Burn duration (s): +1.
Take less damage and deal more status damage.
EffectDamage taken: ×0.95 · Status damage: ×1.1.
Fire faster with longer-lasting projectiles.
EffectShot interval: ×0.94 · Projectile lifetime: ×1.1.
Increase ember drops and kill rewards.
EffectEmber drops: ×1.2 · Embers per kill: +1.
Improve healing and recover health from kills.
EffectHealing ×1.08 · Heal 0.08 HP per kill.
Stronger, longer-lasting poison.
EffectPoison: +0.5 · Poison duration (s): +1.
Stronger, longer-lasting slows.
EffectSlow: +0.3 · Slow duration (s): +1.
Faster shots with an extra bounce.
EffectBounces: +1 · Projectile speed: ×1.1.
Better homing and longer projectile lifetime.
EffectHoming strength: +0.3 · Projectile lifetime: ×1.2.
Fire faster and reduce skill cooldowns.
EffectShot interval: ×0.9 · Skill cooldown: ×0.9.
Improve critical chance and critical damage.
EffectCrit chance: +8 percentage points · Crit multiplier: +0.25.
Increase burning power and status damage.
EffectBurn: +0.6 · Status damage: ×1.15.
Stronger poison with a higher stack limit.
EffectPoison: +0.6 · Poison stack limit: +2.
Faster shots with stronger slowing effects.
EffectSlow: +0.5 · Projectile speed: ×1.2.
Lightning reaches farther and chains to more enemies.
EffectChain-lightning targets: +1 · Lightning range: +35.
More projectile bounces and a longer lifetime.
EffectBounces: +2 · Projectile lifetime: ×1.25.
Improve homing and critical chance.
EffectHoming strength: +0.6 · Crit chance: +6 percentage points.
Gain maximum health and take less damage.
EffectMax HP +2 (cap 10) · Incoming damage reduced to 92%.
Gain extra shields in each combat room.
Effect+2 shields each combat room.
Skills recharge faster; post-hit invulnerability lasts longer.
EffectSkill cooldown: ×0.8 · Invulnerability after a hit: ×1.15.
Steal health from direct hits and improve healing.
EffectLifesteal from direct damage dealt: +0.75 percentage points · Healing effectiveness: ×1.1.
Stronger burns and healing from kills.
EffectBurn: +0.8 · Healing per kill: +0.06.
Stronger chain lightning hits more targets.
EffectChain-lightning targets: +2 · Lightning damage multiplier: +0.1.
Add on-hit explosions with a larger blast radius.
EffectOn-hit explosion level: +1 · Blast radius: +15.
Fire extra projectiles and improve healing.
EffectProjectiles per volley: +1 · Healing effectiveness: ×1.15.
More critical hits; execute weakened normal enemies.
EffectCrit chance: +15 percentage points · Execute normal enemies below HP threshold: +8 percentage points.
More projectile fragments and stronger poison.
EffectFragments on first impact: +2 · Poison: +0.5.
Execute weakened normal enemies and deal more boss damage.
EffectExecute normal enemies below HP threshold: +15 percentage points · Direct boss damage: ×1.25.
Piercing, homing projectiles with extra bounces.
EffectBounces: +4 · Pierces enemies · Homing strength: +1.
Stronger shots, slower firing.
Effect+0.3 damage per level.
Trade-offShot interval: ×1.12
Take less damage, but move slower.
EffectDamage taken: ×0.85.
Trade-offMovement: ×0.9.
Move faster, but take more damage.
EffectMovement: ×1.15.
Trade-offDamage taken: ×1.12.
Stronger burns, shorter projectile lifetime.
EffectBurn: +0.6.
Trade-offProjectile lifetime: ×0.8.
Kills grant more embers, but enemies gain health.
EffectEmbers per kill: +2.
Trade-offEnemy HP: ×1.08.
More critical hits at the cost of base damage.
EffectCrit chance: +18 percentage points
Trade-off−0.1 damage per level.
Faster, longer-lasting projectiles, but slower firing.
EffectProjectile lifetime: ×1.6 · Projectile speed: ×1.3.
Trade-offShot interval: ×1.15.
Fire one extra projectile at the cost of damage, attack speed and its multiplier.
EffectProjectiles per volley: +1
Trade-off−0.25 sát thương; −0.25 tốc đánh và −0.3 hệ số nhân tốc đánh mỗi cấp.
Gain maximum health, but skills recharge slower.
EffectMax HP +3 (cap 10).
Trade-offskill cooldown 20% slower.
Improve healing at the cost of damage.
EffectHealing effectiveness ×1.4.
Trade-off−0.15 damage per level.
Stronger burns, but shorter slows and more damage taken.
EffectBurn: +1.
Trade-offSlow duration (s): -0.5 · Damage taken: ×1.1.
Increase poison strength.
EffectPoison: +1.
Lightning chains to more targets, but firing slows down.
EffectChain-lightning targets: +3.
Trade-offShot interval: ×1.2.
Kills grant more embers, but healing is weaker.
EffectKills grant extra cinders.
Trade-offHealing effectiveness ×0.75.
Deal more boss damage at the cost of base damage.
EffectDirect boss damage: ×1.5
Trade-off−0.25 damage per level.
Execute weakened normal enemies, but fire slower.
EffectExecute normal enemies below HP threshold: +18 percentage points.
Trade-offShot interval: ×1.15.
Clear a room: heal 0.5 HP per level.
EffectClear a room: heal 0.5 HP per level.
Faster shots and more bounces, but weaker homing.
EffectBounces: +4 · Projectile speed: ×1.5.
Trade-offHoming strength: -0.25.
Larger shots and stronger explosions, but slower firing.
EffectOn-hit explosion level: +1 · Explosion damage multiplier: +0.3 · Projectile radius: +3.
Trade-offShot interval: ×1.3.
More projectile fragments at the cost of damage.
EffectFragments on first impact: +3
Trade-off−0.2 damage per level.
Move and recharge skills faster, but take more damage.
EffectMovement: ×1.3 · Skill cooldown: ×0.7.
Trade-offDamage taken: ×1.3.
Stronger poison with more stacks; enemies become faster.
EffectPoison stack limit: +5 · Poison: +1.
Trade-offEnemy movement and fire rate: ×1.1.
Take much less damage, but gain fewer embers per kill.
EffectDamage taken: ×0.7.
Trade-offEmbers per kill: -1.
Stronger, more frequent critical hits, but slower firing.
EffectCrit chance: +25 percentage points · Crit multiplier: +1.
Trade-offShot interval: ×1.4.
Fire larger projectiles at the cost of damage and attack speed multiplier.
EffectProjectiles per volley: +1 · Projectile radius: +2
Trade-off−0.35 sát thương và −0.38 hệ số nhân tốc đánh mỗi cấp.
Greatly boost damage; each volley costs a little health.
Effect+1.5 damage per level.
Trade-offEach volley consumes 0.025 health (nonlethal).
Stronger homing and wider explosions, but slower projectiles.
EffectHoming strength: +2 · On-hit explosion level: +1 · Blast radius: +40.
Trade-offProjectile speed: ×0.6.
Heal from kills, but take more damage.
EffectHealing per kill: +0.3.
Trade-offIncoming damage ×1.3.
Gain damage, but enemies move and shoot faster.
Effect+0.15 damage per level.
Trade-offEnemy movement and fire rate: ×1.06
Gain more embers at the cost of damage.
EffectEmber drops: ×1.3
Trade-off−0.05 damage per level.
Increase movement speed.
EffectMovement: ×1.16.
Stronger poison; lose some health entering a new combat room.
EffectPoison: +0.7.
Trade-offHP lost on first combat-room entry (nonlethal): +0.08.
Better homing, shorter projectile lifetime.
EffectHoming strength: +0.8.
Trade-offProjectile lifetime: ×0.85.
Hits steal health, but you take more damage.
EffectLifesteal from direct damage dealt: +1 percentage points.
Trade-offDamage taken: ×1.2.
Stronger burns; taking hits costs embers.
EffectBurn: +1.
Trade-offEmbers lost when hit: +2.
Stronger slows, but you move slower too.
EffectSlow: +0.8.
Trade-offMovement: ×0.9.
Increase critical chance and power.
EffectCrit chance: +15 percentage points · Crit multiplier: +0.3.
Kills grant more embers, but enemies gain health.
EffectEmbers per kill: +3.
Trade-offEnemy HP: ×1.15.
Lightning hits more targets, but skills recharge slower.
EffectChain-lightning targets: +2.
Trade-offSkill cooldown: ×1.4.
Missing health boosts damage, but healing is weaker.
Effect+0.12 damage per missing red HP per card level, counting up to 10 missing HP.
Trade-offHealing effectiveness ×0.65.
Shots explode; standing in your blasts hurts you.
EffectOn-hit explosion level: +1.
Trade-offSelf-damage inside explosion: +0.25.
Fire faster, but take more damage.
EffectShot interval: ×0.75.
Trade-offDamage taken: ×1.2.
Increase poison strength and its stack limit.
EffectPoison: +1 · Poison stack limit: +3.
Heal from kills, but enemies move and shoot faster.
EffectHealing per kill: +0.15.
Trade-offEnemy movement and fire rate: ×1.15.
Cursed cards boost damage, but enemies gain health.
Effect+0.05 damage per cursed-card level.
Trade-offEnemy HP: ×1.12
Held embers boost damage; taking hits costs embers.
Effect+0.004 damage per held ember per card level.
Trade-offEmbers lost when hit: +3
Piercing shots with extra bounces, but you take more damage.
EffectBounces: +5 · Pierces enemies.
Trade-offDamage taken: ×1.25.
Extra poisonous fragments; lose health entering combat rooms.
EffectFragments on first impact: +2 · Poison: +1.
Trade-offHP lost on first combat-room entry (nonlethal): +0.2.
Powerful burns and explosions; blasts can hurt you too.
EffectBurn: +1.5 · On-hit explosion level: +1.
Trade-offSelf-damage inside explosion: +0.4.
Execute weakened normal enemies, but gain fewer embers.
EffectExecute normal enemies below HP threshold: +22 percentage points.
Trade-offEmbers per kill: -1.
Lightning chains farther and wider; enemies become faster.
EffectChain-lightning targets: +4 · Lightning range: +70.
Trade-offEnemy movement and fire rate: ×1.2.
Better homing and critical chance, but enemies gain health.
EffectHoming strength: +1.5 · Crit chance: +20 percentage points.
Trade-offEnemy HP: ×1.25.
Dead enemies trigger stronger blasts that can hurt you too.
EffectDead enemies explode for 80% damage in radius 100 · Explosion damage multiplier: +0.35.
Trade-offSelf-damage inside explosion: +0.5.
Cursed cards increase damage, but healing is weaker.
Effect+0.1 damage per cursed-card level.
Trade-offHealing effectiveness ×0.6.
Low health boosts damage and execution; entering combat costs health.
EffectDamage per missing HP (up to 10): +15 percentage points · Execute normal enemies below HP threshold: +20 percentage points.
Trade-offHP lost on first combat-room entry (nonlethal): +0.35.
A mysterious blessing with an unknown effect.
Effect???
Hit the same enemy twice to call down powerful lightning.
EffectEvery 2 hits on an enemy call down lightning for 2× your damage. Hit counts are tracked separately for each target.
Shots may spawn a damaging tornado that clears enemy bullets.
EffectEach shot has a 10% chance to launch a small whirlwind that clears enemy projectiles it touches. Inherits bullet damage and effects, including ricochets.
Remove cards above D; future pickups above D become F; each F-card level grants +10% to all beneficial stats.
EffectOn pickup, remove all cards above D except this card. Afterward, pickups above D automatically become a random F card. Each held F card level grants +1% to all beneficial stats; single-use cards do not count.
Normal enemies may drop a card on death.
EffectNormal enemies have a 2% chance to drop a card on death. Higher tiers are rarer.
Revive once with 1 health; maximum health stays at 1 for the run.
EffectSingle use: revive on death with 1 HP. Maximum health stays at 1 for the rest of the run.
A mysterious glitched card with an unknown effect.
EffectDSHJHASH$#%#
Randomly gain a new card or replace a held card.
Effect50% chance to gain 1 random card, or 50% chance to transmute a held card into another card (if empty deck: grants 1 card).
Trade-offResult is purely random.
Gradually trade health for damage, leaving only 1 health.
EffectSlowly drains health to 1, increasing damage based on health drained.
Doom has arrived.
EffectThe apocalypse has arrived.
Create an oil rain on entering a new room.
EffectCreates oil rain whenever you enter a new room.
Shots may create an oil puddle.
EffectProjectiles have a chance to create an oil slick.
Attacks may freeze targets.
EffectHits have a 60% chance to freeze for 1.5s; 3s cooldown per target.
Wield a powerful bullet-clearing sword. Blood Radiance adds lasers; attacks are slower.
Effect+1 damage per level. Damage ×2.5. Melee slash, clears bullets and inherits on-hit effects. With Blood Radiance: a light saber with +1.5 flat combo damage; each enemy struck seeds a laser after 0.6s, extending in opposite directions at a random angle with all laser upgrades (bounces, homing, ray count, color and on-hit effects).
Trade-offAttack delay ×1.6.
Greatly increase attack damage.
Effect+0.5 damage per level; damage ×1.5.
Reroll your deck while preserving total levels and rarity.
EffectRerolls your deck while preserving total levels and rarities. Consumed on use.
Double heart drops, but halve healing effectiveness.
EffectHealing hearts drop twice as often.
Trade-offHealing effectiveness is halved.
One-use card: fully restore health on pickup.
EffectSingle use: fully restores health on pickup.
Swap one random held card level for a card of the same rarity.
EffectSingle use: replaces one random held card level with a different card of the same rarity.
The next shop is free; the following shop costs double.
EffectSingle use: the next normal shop is free.
Trade-offThe following normal shop costs ×2.
Gain extra embers from kills in the next combat room.
EffectSingle use: in the next combat room, each enemy death grants 1 extra cinder.
Leave a damaging, poisonous trail as you move.
EffectMoving leaves a 2.5s toxic trail that deals 1 damage per second and poisons.
Skills create a combat clone; pickup costs half your current health.
EffectUsing a skill creates one echo with 50% of your HP, damage, movement speed and fire rate. Only one echo can exist at a time.
Trade-offCurrent HP is halved when acquired.
Currently inactive because cards no longer reduce maximum health.
EffectTemporarily inactive: cards no longer reduce maximum health.
Summoned or revived units turn against their summoner's side.
EffectAll summoned or revived units turn on the side that called them: your allies attack you, and summoned monsters attack the monster side.
Double summoned and revived units on both sides.
EffectDoubles the number of all summoned or revived units on either side.
Summon a spirit that copies your attacks and may consume cards each floor.
EffectSummons a floating familiar that follows you. Attacks in your direction, inherits your attack mode and on-hit effects, and deals 75% damage.
Summon a little devil companion.
EffectA little demon companion.
Reveal a hidden Badminton boss room. Win two card chests.
EffectReveal a hidden Badminton boss room (100%). Win 2 card chests and treasure.
Trade-offEmpowered boss. Single use.
Open a rift to a 3000 HP boss. Return after victory.
EffectOpen a violet-blue portal to an isolated challenge room.
Trade-offFace the Rift Beast: 3000 HP and five attacks.
Every explosion has double the radius.
EffectDoubles the radius of every explosion, including map barrels and explosive card effects.
There is something interesting inside wooden crates.
EffectThere is something interesting inside wooden crates. 50% more wooden crates. Breaking one yields: 30% empty, 30% 1 cinder, 15% explosive barrel, 5% 5 cinders, 19% heart, 1% card.
Attacking launches a hemorrhoid.
EffectAttacking launches a hemorrhoid.
Attacks may launch an explosive bomb that knocks enemies back.
EffectEach attack has a 5% chance to launch a wine bomb. It explodes for 5 + 200% of your damage in radius 90 and knocks enemies back.
Attacks build a seal; shattering it deals heavy damage and heals you.
EffectA hit places a seal above the enemy. Two more hits shatter it for 6 + 300% of your damage and restore 0.02 HP. Stacks appear as a symbol with no numbers.
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