Idle Slayer Wiki
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This is a just a list of Ascension Upgrades, for recommendations on what to purchase in which order you can have a look at our Ascension Tree Tier List.

The Slayer's first ascension can be made when enough Souls are gathered for 20 Slayer Points (SP). Souls are gained after unlocking the Souls Flask and Soul Gatherer. The number of Souls needed for one SP is equal to . In other words, the cost for each SP is 4 more than the previous, and the first costs 12 Souls. Souls are gained by killing Enemies.

Ascension Skills

Name Cost Effect Required Ascension Upgrades All requirements needed
Permanent Slayer 4 Permanently unlocks the Start Adventure and Enemy Realm upgrades, so enemies can spawn from the start of any Ascension.
Permanent Quests 5 All Quests bundles are unlocked permanently across all Ascensions. Soul Gatherer Bundle
Souls Bonus 5 Chance of getting the Souls Bonus Multiplier from the Random Box. True Idle Slayer
True Idle Slayer 5 You slay 50% more enemies while the game is closed. Soul Gatherer Bundle
Soul Gatherer Bundle 6 Permanently unlocks Souls Flask and Soul Gatherer upgrades. Permanent Slayer
Boost Kill 10 You gain double Souls for every kill while using the Boost. True Idle Slayer
Mining Jewels 10 Gain 5% bonus CpS. Soul Gatherer Bundle
Soul Reaper 10 Increase the amount of Souls that you gather by 1% for every Slayer Point you got since you started playing the game. Soul Gatherer Bundle
Random Box Magnet 15 Random Boxes will hover on top of your head for a few seconds. Souls Bonus
Reinvest 15 Each Coin you pick up gives you 25% of your current CpS. Soul Gatherer Bundle
Blue Ore 20 Gain 10% bonus CpS. Mining Jewels
Idle Earrings I 20 Increase CpS while the game is closed by 25%. True Idle Slayer
Boost Coin 25 You gain double Coins while using the Boost. Red Ore
Cheap Cooldown 25 Every Coin you pick up will decrease your Boost cooldown by 2%. Boost Coin
Idle Earrings II 25 Increase CpS while the game is closed by 25%. Idle Earrings I
Money Laundering 25 Each Coin you pick up gives you 10% of your current CpS. Reinvest
Portals 25 You gain the ability to open Portals to new Dimensions.
Skill cooldown: 8 hours.
Soul Gatherer Bundle
Soul Gem 25 Gain 20% Souls bonus. Yellow Ore
Sword Edge 25 You gain +1% Souls while the game is closed for every Sword level. True Idle Slayer
Special Random Box Magnet 25 Special Random Boxes will hover on top of your head for a few seconds. Mining Jewels
Cheap Darkness 30 All enemy evolutions are 50% cheaper. Green Ore
Red Ore 30 Gain 10% bonus CpS. Mining Jewels
Ancient Slayer 35 Your Ascension CpS Bonus is boosted by 250%. True Idle Slayer
Green Ore 35 Gain 8% bonus CpS. Red Ore,Blue Ore Yes
Purple Ore 40 Gain 10% bonus CpS. Green Ore
Slowmo Bonus 40 Increase the active time of Random Events by 50%. Random Box Magnet
Augmented Soul Gatherer 50 Increase the amount of Souls received for slaying an enemy ingame by 125%. Ancient Slayer
Every Day Counts 50 You gain 1% bonus CpS for each day that passed since you started playing. (100 days maximum) Green Ore
Stocks Buyer 50 Each Coin you pick up gives you 15% of your current CpS. Money Laundering
Yellow Ore 50 Gain 10% bonus CpS. Green Ore
Dagger Edge 75 You gain +1% Souls while the game is closed for every Dagger level. Idle Earrings II
Idle Earrings III 100 Increase CpS while the game is closed by 15%. Idle Earrings II
Doesn't Matter to Me 150 Get a permanent 3% chance of spawning a Ruby instead of a Coin.
A Ruby has a value of 15 coins.
Yellow Ore,Purple Ore No
Map 150 The destination name will be displayed on top of every Portal. Portals,Stocks Buyer Yes
Portal Traveler 200 Decrease the Portal skill cooldown to 4 hours.
This will also replenish your current portal cooldown.
Portals
Bullet Time 250 Increase the active time of Random Events by 50%. Slowmo Bonus
Idle Earrings IV 250 Increase CpS while the game is closed by 20%. Idle Earrings III
Idle Earrings of Death 250 You slay 20% more enemies while the game is closed. Idle Earrings IV
Dual Randomness 300 Chance of getting the Dual Randomness from a Random Box which will spawn two Random Boxes next to each other.
It's possible to get a Dual Randomness bonus from a Dual Randomness bonus!
Soul Slash
Coins In The Box 350 Quintuples the coins that a Random Box can give you. Dual Randomness
Royalties 400 Each Coin you pick up gives you 5% of your current CpS. Soul Slash
Soul Slash 450 Increase your bonus Souls by +0.1% per achievement unlocked. Legendary Belt
Ethereal Wand 500 Gain 5% bonus CpS. Dark Wand
Axe Edge 600 You gain +1% Souls while the game is closed for every Axe level. Soul Slash
Bring Hell 600 Increase the chance of spawning enemies by 20%. Sacred Book of Projectiles
Enchanted Arrows 600 Allows you to kill spiritual foes such as Wildfires by using the bow. Mystic Valley,Sacred Book of Projectiles Yes
Legendary Belt 800 Increase your bonus CpS by +5% per Achievement unlocked. Doesn't Matter to Me,Augmented Soul Gatherer,Idle Earrings of Death No
Lunar Idle Earrings 950 Increase CpS while the game is closed by 15%. Royalties
Sacred Book of Projectiles 1,000 Unlocks the ability to use the Bow. Press the screen while being airborne to fire an arrow.
New upgrades for your bow will appear by leveling up the bow as well.
Legendary Belt
Solar Idle Earrings 1,000 You slay 20% more enemies while the game is closed. Lunar Idle Earrings
Soul Reaper II 1,000 Increase the amount of Souls that you gather by 0.25% for every Slayer Point you got since you started playing the game. Golden Money Amulet
Minions 1,200 Unlocks the minions tab and the White Knight. Axe Edge
Mystic Valley 1,200 Unlock the Mystic Valley zone. Use the Portal to get there!
Warning: Not every enemy can be slayed with the sword in this dimension!
Soul Slash
Silver Money Amulet 1,600 Gain 10% bonus CpS. Soul Slash
Sword Edge II 1,850 You gain +0.5% Souls while the game is closed for every Sword level. Solar Idle Earrings
Dark Wand 2,000 Gain 10% bonus CpS. Minions
Golden Money Amulet 2,000 Gain 12% bonus CpS. Silver Money Amulet
Dark Wizard 2,500 Unlock the Dark Wizard Minion. Dark Wand
Doomed 2,500 Increase the chance of spawning enemies by 30%. Bring Hell
Saved 2,500 You slay 25% more enemies while the game is closed. Bring Hell
Soul Amulet 3,000 Your Ascension CpS Bonus is boosted by 100%. Golden Money Amulet
Triple Shot 3,000 Fire three arrows instead of a single one. Sacred Book of Projectiles
Wall Breaker 3,500 Increase CpS while the game is closed by 50%. Silver Money Amulet,Minions No
Permanent Supply Boxes 4,000 After buying a food box, it will remain unlocked permanently. Solar Idle Earrings
Stability 4,000 Unlocks the ability to fire arrows while using the Boost. Sacred Book of Projectiles
ASHPD 5,000 Decrease the Portal skill cooldown to 2 hours.
This will also replenish your current portal cooldown.
Portal Traveler
Blue Sparkle 6,000 Increase the spawn rate of Sapphires by 3%. Tornado of Souls,Gemstone Rush Yes
Embrace The Fear 6,500 All enemy evolutions are 25% cheaper. Soul Amulet
King of The Sea 6,500 Get a permanent 2% chance of spawning a Sapphire instead of a Coin.
A Sapphire has a value of 25 Coins.
Blue Ore
Knight Services 7,500 Get 0.5% CpS Bonus per every level of the Minion White Knight. Dark Wand
Terra Idle Earrings 7,500 Increase CpS while the game is closed by 35%. Solar Idle Earrings
Safety First 8,000 Some pitfalls in the Bonus Stage will be covered to prevent you from falling. Lunar Idle Earrings
Skeleton 8,000 Unlock the Skeleton Minion. Rock And Stone,Embrace The Fear Yes
Gemstone Rush 10,000 Unlocks the Gemstone Rush Random Event which increases the spawn rate of unlocked gemstones for a while. Doomed,Saved No
Bag 10,000 Unlock the Bag where you can store Materials you gather to craft new Items.
Materials can only be gathered while actively playing and from defeating certain enemies.
Gemstone Rush
High Alchemy 12,000 Get 1% CpS Bonus per every level of the Minion Dark Wizard. Dark Wizard
Rock And Stone 15,000 Unlock the Stone Golem Minion. Ethereal Wand,Dark Wizard Yes
Roll The Dice 16,500 Random Boxes will appear 25% more frequently. King of The Sea
Tornado of Souls 20,000 Gain 15% Souls bonus. King of The Sea
Oblivion Idle Earrings 23,000 Increase CpS while the game is closed by 40%. Terra Idle Earrings
Premium Time 25,000 Increase the active time of Random Events by 20%. King of The Sea
Soul Silver 35,000 Increase the amount of Silver Random Boxes when activated by +2. Premium Time,Roll The Dice Yes
Muscle Memory 35,000 Every upgrade that increases the attack speed of the Bow remains unlocked across every Ascension. Triple Shot
Idle Earrings of Unity 45,000 Increase CpS while the game is closed by 50%. Oblivion Idle Earrings
Boost Blood 50,000 Enemies will drop 25% more Coins for slaying them. Tornado of Souls
Human After All 60,000 Unlock the Goo Mutant Minion. Factory,Skeleton Yes
Blessing of Kratos 95,000 Gain 10% bonus CpS. Saved
Augmented Boost Kill 100,000 Makes the Boost Kill ascension upgrade 100% more effective. Tornado of Souls
Factory 140,000 Unlock the Factory zone. Use the Portal to get there!
Warning: Not every enemy can be slayed with the sword in this dimension!
Soul Amulet
Critical Culling 150,000 Unlocks Critical Culling which gives you 15% chance of getting double souls every time you kill an enemy.
Critical Culling also works while idle.
Rock And Stone
Mega Horde 175,000 Upgrades the Horde Random Event to include nonflying enemies and the possibility of triggering the event even if the dimension has nonflying enemies. Gemstone Rush
Divinities 200,000 Unlock the Divinities tab. Here you can reset your minions back to level 1 to earn Divinity Points and buy Divinities with them. Human After All,Blessing of Kratos Yes
Critical Practice 350,000 Increase the chance of Critical Culling by 4%. Critical Culling
Critical Study 350,000 Increase the chance of Critical Culling by 4%. Critical Culling
Critical Training 350,000 Increase the chance of Critical Culling by 4%. Critical Culling
Gala's Bone 600,000 Get 0.5% CpS Bonus per every level of the Minion Skeleton. Skeleton
The Chosen One 650,000 Allows you to prestige Minions individually, but it only grants 80% Divinity Points if you do it that way. Divinities
Ultra Ascension 1,000,000 Ultra Ascending is similar to Ascending but also resets the Skill Tree, Quests, Minions and Slayer Points. Your first Ultra Ascension also makes new Ascension Upgrades visible on the Skill Tree. Divinities
Bonus Rewards+ 1,250,000 At the end of every section of the platformer Bonus Stage, a normal Random Box will appear. Roll The Dice
Advanced Cooking 2,000,000 Gain 5% bonus CpS. Blue Sparkle
Perfect Prestige 2,500,000 You'll get 100% Divinity Points for prestiging a minion individually. The Chosen One
Ramen 3,500,000 Gain 10% bonus CpS. Advanced Cooking
Stew 4,000,000 Gain 12% bonus CpS. Advanced Cooking
Portal Dominum 5,000,000 You gain the ability to choose the destination of the Portal. ASHPD
Careful Slayer 12,500,000 Increase the drop chance of Materials by 3%. Bag
Astral Slayer 1,000,000,000 Your Ascension CpS Bonus is boosted by 100%. Ramen, Stew Yes
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