The Incursion Perk Tree can be found by interacting with a Fallen Altar. It consists of several perks that alter Incursions rewards or mechanisms. Perks can be acquired by spending Altar Dust, and they can be reset with a fee of 1000 coins per perks.
Each Incursion Perk Tree are specific to a given Fallen Altar. If another altar is built, the player will need to unlock the perk tree again for this altar. Destroying an altar does not affect the perk tree, and it can be recovered once the altar is placed on the ground again.
Perks are organized in tiers, and the player needs to progress through each tier to unlock the next one, usually by completing an Incursion in a specific biome at a high enough tier.
There are 48 perks in total, though some perks are mutually exclusives with one another. To unlock every perks possible, which is 43, the player needs 20780 Altar Dust.
Perk Tree[edit]
|   | SMASH!
Tablets dropped in your Incursions are now more likely to have higher tier Melee Weapons as their Tablet Reward
 Cost : 30 Altar Dust
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|   | Fire with precision!
Tablets dropped in your Incursions are now more likely to have higher tier Ranged Weapons as their Tablet Reward
 Cost : 30 Altar Dust
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|   | More dust!
Enemies killed in Incursions have a chance to drop Altar Dust
 Cost : 30 Altar Dust
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|   | Control the elements!
Tablets dropped in your Incursions are now more likely to have higher tier Magic Weapons as their Tablet Reward
 Cost : 30 Altar Dust
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|   | Stonks!
Tablets dropped in your Incursions are now more likely to have Coins as their Tablet Reward
 Cost : 30 Altar Dust
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|   | Conjure armies!
Tablets dropped in your Incursions are now more likely to have higher tier Summon Weapons as their Tablet Reward
 Cost : 30 Altar Dust
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The player cannot buy any Tier 2 perk until the perk "Mother comes..." has been bought.
|   | Time for an upgrade!
Enemies killed in Incursions have a chance to drop Upgrade Shards
 Requirement : Tier 1 "More Dust!"
 Mutually exclusive with "Alchemylicious!"
 Cost : 50 Altar Dust
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|   | Alchemylicious!
Enemies killed in Incursions have a chance to drop Alchemy Shards
 Requirement : Tier 1 "More Dust!"
 Mutually exclusive with "Time for an upgrade!"
 Cost : 50 Altar Dust
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|   | Get your priorities straight!
Tablets dropped in your Incursions now have a chance to have Cosmetic Armor as their Tablet Reward
 Cost : 50 Altar Dust
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|   | Mother comes...
Slime Cave Tablets can now drop in Tier 2 Incursions or higher
 Requirement : Tier 1 "More Dust!"
 Cost : 100 Altar Dust
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|   | Let's go lucky number 5!
Tablets with Coins as their Tablet Reward has a low chance to drop 5 times as many coins
 Requirement : Tier 1 "Stonks!"
 Cost : 50 Altar Dust
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|   | Caveling Invasion
Incursions now have a chance to spawn Cavelings carrying Altar Dust, Upgrade Shards or Alchemy Shards
 Cost : 50 Altar Dust
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The player cannot buy any Tier 3 perk until the perk "Fear the Endless Night!" has been bought.
|   | It's HUUUGE!
Incursions now have a chance to spawn a MEGA Upgrade Shard vein
 Requirement : Tier 2 "Time for an upgrade!"
 Mutually exclusive with "Waiter? There's a potion in my ore!"
 Cost : 75 Altar Dust
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|   | Waiter? There's a potion in my ore!
Mining Alchemy Shards has a chance to drop a random greater potion
 Requirement : Tier 2 "Alchemylicious!"
 Mutually exclusive with "It's HUUUGE!"
 Cost : 75 Altar Dust
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|   | The Extractor
Tablets dropped in Incursions are now more likely to be Extractions
 Mutually exclusive with "The Hunter"
 Cost : 75 Altar Dust
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|   | NAME
Graveyard Tablets can now drop in Tier 3 Incursions or higher
 Requirement : Tier 2 "Mother comes..."
 Complete a Slime incursion of Tier 2 or higher
 Cost : 150 Altar Dust
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|   | The Hunter
Tablets dropped in Incursions are now more likely to be Hunts
 Mutually exclusive with "The Extractor"
 Cost : 75 Altar Dust
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The player cannot buy any Tier 4 perk until the perk "The Empress awaits..." has been bought.
|   | Even MORE Dust!
Enemies killed in Incursions have a chance to drop EVEN MORE Altar Dust!
 Requirement : Tier 3 "It's HUUUGE!" OR "Waiter? There's a potion in my ore!"
 Cost : 125 Altar Dust
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|   | Raven Invasion
Incursions now have a chance to be invaded by the Ravenlord's Emissaries
 Cost : 125 Altar Dust
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|   | Arcane Invasion
Incursions now have a chance to be invaded by Arcanic Constructions
 Cost : 125 Altar Dust
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|   | Chef Invasion?
Incursions now have a chance to be invaded by a Battle Chef. Bon appetit!
 Cost : 125 Altar Dust
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|   | The Empress awaits...
Spider Castle Tablets can now drop in Tier 4 Incursions or higher
 Requirement : Tier 3 "Fear the Endless Night!"
 Complete a Graveyard incursion of Tier 3 or higher
 Cost : 225 Altar Dust
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|   | Interdimensional Cavelings!
Incursions now have a chance to spawn a Caveling Portal from another dimension
 Requirement : Tier 2 "Caveling Invasion"
 Cost : 125 Altar Dust
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The player cannot buy any Tier 5 perk until the perk "Darkness falls..." has been bought.
|   | One good smack!
You now have a chance when mining Alchemy and Upgrade Shards to clear out the whole cluster in one hit
 Requirement : Tier 4 "Even MORE Dust!"
 Cost : 200 Altar Dust
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|   | More Scrolls!
Tablets dropped in your Incursion now have a chance to have Enchanting Scrolls as their Tablet Reward
 Cost : 200 Altar Dust
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|   | A Second Chance
Tablets dropped in your Incursions now have a chance to have a Settler as their Tablet Reward
 Cost : 200 Altar Dust
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|   | Darkness falls...
Moon Arena Tablets can now drop in Tier 5 Incursions or higher
 Requirement : Tier 4 "The empress awaits..."
 Complete a Spider Castle incursion of tier 4 or higher
 Cost : 320 Altar Dust
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|   | Juicy Cavelings!
Cavelings in your Incursions now also have a chance to drop random Essences
 Requirement : Tier 4 "Interdimensional Cavelings!"
 Cost : 200 Altar Dust
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The player cannot buy any Tier 6 perk until the perk "Dawn arises!" has been bought.
|   | Two is better than one!
Tablets dropped in your Incursion now have a chance to drop an additional Tablet
 Cost : 320 Altar Dust
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|   | Fluffy friends!
Tablets dropped in your Incursion now have a chance to have Pets as their Tablet Reward
 Cost : 320 Altar Dust
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|   | Unlikely allies
Incursion Bosses are now accompanied by random invaders
 Requirement : Tier 4 "Raven Invasion" OR "Arcane Invasion" OR "Chef Invasion?"
 Cost : 320 Altar Dust
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|   | Dawn arises!
Sun Arena Tablets can now drop in Tier 6 Incursions or higher
 Requirement : Tier 5 "Darkness falls..."
 Complete a Moon Arena incursion of Tier 5 or higher
 Cost : 470 Altar Dust
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|   | Oh cool, an upgrade!
Equipment from Tablet Rewards, now has a chance to be upgraded up to tier 5
 Cost : 320 Altar Dust
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The player cannot buy any Tier 7 perk until the perk "Crystalline beauty..." has been bought.
|   | Revenge Time!
Flamelings in your Incursions can now be killed
 Cost : 500 Altar Dust
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|   | A New Hope
Settler rewards now have a chance to spawn up to 3 settlers instead of just one settler
 Requirement : Tier 5 "A Second Chance"
 Cost : 500 Altar Dust
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|   | Crystalline beauty...
Crystal Hollow Tablets can now drop in Tier 7 Incursions or higher
 Requirement : Tier 6 "Dawn arises!"
 Complete a Sun Arena incursion of Tier 6 or higher
 Cost : 680 Altar Dust
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|   | A Second Chance
Grants you a buff when entering a new Incursion, that will restore 25% health when taking fatal damage. This buff can only be consumed once per Incursion
 Requirement : Tier 8 "One Becomes TWO!"
 Mutually exclusive with "Empowerment Time!"
 Cost : 800 Altar Dust
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|   | One Becomes TWO!
Incursion Bosses now a have a chance to summon another Incursion Boss to aid them when reaching low health
 Requirement : Tier 6 "Unlikely allies"
 Cost : 800 Altar Dust
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|   | Empowerment Time!
Random Empowerment buffs will now spawn in your Incursions that can be picked up by players
 Requirement : Tier 8 "One Becomes TWO!"
 Mutually exclusive with "Empowerment Time!"
 Cost : 800 Altar Dust
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|   | Oh, even more upgrades? Very cool!
Equipment from Tablet Rewards, now has a chance to be upgraded up to tier 8
 Requirement : Tier 6 "Oh cool, an upgrade!"
 Cost : 800 Altar Dust
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|   | A Third Chance?
The buff granted from the "A second chance" perk, can now be consumed twice per Incursion
 Requirement : Tier 8 "A Second Chance"
 Mutually exclusive with "Empowered Empowerment Time?"
 Cost : 1300 Altar Dust
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|   | Empowered Empowerment Time?
Doubles the duration of Empowerment buffs granted by the "Empowerment time!" perk
 Requirement : Tier 8 "Empowerment Time!"
 Mutually exclusive with "A Third Chance?"
 Cost : 1300 Altar Dust
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|   | A taste of your own medicine!
Incursion Modifiers now affect enemies as well
 Cost : 1300 Altar Dust
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|   | Next Level Gear
Equipment from Tablet Rewards now has a chance to be Incursion only equipment
 Requirement : Tier 8 "Oh, even more upgrades? Very cool!""
 Cost : 1300 Altar Dust
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Tier 10[edit]
The player cannot buy any Tier 10 perk until the perk "The Beginning of the End" has been bought.
|   | War Never Changes
Banners of War can now be placed down inside Incursions. If you know... You KNOW...
 Cost : 2000 Altar Dust
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|   | We're Rich
Tablet Rewards are dropped twice at the end of your Incursion
 Requirement : Tier 8 "One Becomes TWO!"
 Cost : 2000 Altar Dust
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|   | The Beginning of the End
Tier 8 or higher Incursion bosses now drop Ascended Shards
 Requirement : complete (?) incursions of Tier 8 or higher
 Cost : 2300 Altar Dust
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|   | Oh wow, such upgrade, much wow!
Equipment from Tablet Rewards, now has a chance to be upgraded up to tier 10
 Requirement : Tier 9 "Next Level Gear"
 Cost : 2000 Altar Dust
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