Tablet Unique /8
Adds an Otherworldy Breach to a Map
10 uses remaining
Breaches expand to at least 20 metres in radius
Breaches remain open while there are alive Breach Monsters
Breaches in Map have (-10—20)% reduced Monster density
map breach minimum monster power to not close [5]
Adds a Kalguuran Expedition to a Map
10 uses remaining
Expedition Monsters in your Maps spawn with half of their Life missing
Runic Monsters in your Maps are Duplicated
Adds a Mirror of Delirium to a Map
10 uses remaining
Delirium Fog in your Maps never dissipates
Delirium in Map increases (-10—10)% slower with distance from the mirror
Adds Ritual Altars to a Map
10 uses remaining
Can Reroll Favours at Ritual Altars in your Maps twice as many times
Favours at Ritual Altars in Area costs (10—15)% increased Tribute
Adds Irradiated to a Map
1 use remaining
Can only be applied to Precursor Tower Maps
Completing the Tower makes all nearby Maps accessible
Adds Irradiated to a Map
1 use remaining
If Map was not previously Irradiated, completing Map adds Irradiation instead
Empowers the Map Boss of a Map
10 uses remaining
Map Bosses have 1 additional Modifier
Tablet Item /7
Breach Precursor Tablet
Adds an Otherworldy Breach to a Map
10 uses remaining
Expedition Precursor Tablet
Adds a Kalguuran Expedition to a Map
10 uses remaining
Delirium Precursor Tablet
Adds a Mirror of Delirium to a Map
10 uses remaining
Ritual Precursor Tablet
Adds Ritual Altars to a Map
10 uses remaining
Precursor Tablet
Adds Irradiated to a Map
10 uses remaining
Overseer Precursor Tablet
Empowers the Map Boss of a Map
10 uses remaining
Abyss Precursor Tablet
Adds Abysses to a Map
10 uses remaining
Precursor Towers Mods /74
Precursor Towers
Precursor Towers are ancient structures that are scattered all throughout the Atlas. Precursor Tower Maps can be completed to reveal a large area around them and to obtain a Precursor Tablet.

Completing a Precursor Tower requires you to activate the Precursor Beacon at the end of the Map, after defeating the Map Boss.
LevelPre/SufDescription
1Prefix(18—30)% increased Rarity of Items found in Map
1Prefix% increased Quantity of Waystones found in Map
Map is inhabited by 1 additional Rogue Exile
1PrefixMap contains an additional Summoning Circle
1Prefix% increased Quantity of Waystones found in Map
Map contains 1 additional Azmeri Spirit
1PrefixMap contains an additional Essence
% increased Quantity of Waystones found in Map
1PrefixMonsters have (7—11)% increased Effectiveness
1PrefixMap contains (2—3) additional Rare Chests
1Prefix(10—20)% increased Experience gain in Map
1Prefix(25—40)% increased Gold found in Map
1PrefixMap has (25—40)% increased number of Rare Monsters
1PrefixMap has (50—70)% increased Magic Monsters
1Prefix(6—10)% increased Pack Size in Map
1SuffixDelirium in Map increases (15—30)% faster with distance from the mirror
1SuffixRitual Favours in Map have (35—70)% increased chance to be Omens
1SuffixRevived Monsters from Ritual Altars in Map have (25—40)% increased chance to be Rare
1SuffixRevived Monsters from Ritual Altars in Map have (35—70)% increased chance to be Magic
1SuffixFavours Rerolled at Ritual Altars in Map have (3—6)% chance to cost no Tribute
1SuffixRitual Altars in Map allow rerolling Favours an additional time
1SuffixFavours Deferred at Ritual Altars in Map reappear (25—40)% sooner
1SuffixMap contains an additional Strongbox
1SuffixDeferring Favours at Ritual Altars in Map costs (20—30)% reduced Tribute
1SuffixRerolling Favours at Ritual Altars in Map costs (20—30)% reduced Tribute
1SuffixMonsters Sacrificed at Ritual Altars in Map grant (18—30)% increased Tribute
1SuffixDelirium Encounters in Map are (15—30)% more likely to spawn Unique Bosses
1SuffixSlaying Rare Monsters in Map pauses the Delirium Mirror Timer for (3—5) seconds
1SuffixDelirium Fog in Map spawns (15—30)% increased Fracturing Mirrors
1SuffixDelirium Monsters in Map have (15—30)% increased Pack Size
1Suffix(20—30)% increased chance for Desecrated Currency from Abysses in Map
1SuffixMap contains an additional Shrine
1SuffixMap contains an additional Essence
1SuffixMap contains an additional Azmeri Spirit
1Suffix(18—30)% increased Quantity of Waystones dropped by Map Bosses
1SuffixMap Bosses grant (40—80)% increased Experience
1Suffix(35—60)% increased Rarity of Items dropped by Map Bosses
1Suffix(13—20)% increased Quantity of Items dropped by Map Bosses
1SuffixAbysses in Map spawn (20—30)% increased Monsters
1Suffix(1—2) additional Rare Monsters are spawned from Abysses in Map
1SuffixAbyssal Monsters in Map have increased Difficulty and Reward for each closed Pit
1SuffixAbysses in Map have (10—20)% increased chance to lead to an Abyssal Depths
1SuffixMap contains an additional Abyss
1SuffixAbyss Pits in Map are twice as likely to have Rewards
1SuffixMap has (20—40)% chance to contain four additional Abysses
1Suffix(20—30)% increased chance for Abyssal monsters in Map to have Abyssal Modifiers
1SuffixBreaches in Map have (3—8)% increased Monster density
Breaches in Map open and close (10—30)% faster
1Suffix(30—50)% increased Quantity of Waystones found in Map
1SuffixRare Monsters in Map have a (50—80)% chance to have an additional Modifier
1SuffixMap has (70—100)% increased chance to contain Shrines
1Suffix% reduced Pack Size in Map
Map contains an additional Shrine
% increased Quantity of Waystones found in Map
1SuffixMap has (70—100)% increased chance to contain Strongboxes
1Suffix% reduced Pack Size in Map
Map contains an additional Strongbox
% increased Quantity of Waystones found in Map
1SuffixMap has (70—100)% increased chance to contain Essences
1SuffixMap has (70—100)% increased chance to contain Azmeri Spirits
1SuffixMap has (35—50)% increased chance to contain Rogue Exiles
1SuffixMap has (35—50)% increased chance to contain a Summoning Circle
1SuffixMap has (1—2) additional random Modifier
1SuffixUnique Monsters have 1 additional Rare Modifier
1SuffixBreaches in Map spawn (40—70)% increased Magic Monsters
1SuffixBreaches in Map spawn an additional Rare Monster
1SuffixBreaches in Map have (5—10)% increased Monster density
1SuffixDelirium Fog in Map dissipates (20—30)% slower
1SuffixBreaches in Map contain (1—3) additional Clasped Hand
1Suffix(15—30)% increased Quantity of Breach Splinters dropped by Breach Monsters in Map
1SuffixMap has (6—10)% chance to contain three additional Breaches
1SuffixMap has (15—30)% chance to contain an additional Breach
1Suffix(15—30)% increased quantity of Expedition Artifacts dropped by Monsters in Map
1Suffix(15—30)% increased Expedition Explosive Placement Range in Map
1SuffixExpeditions in Map have +(1—2) Remnant
1Suffix(15—30)% increased Expedition Explosive Radius in Map
1Suffix(15—30)% increased Quantity of Expedition Logbooks dropped by Runic Monsters in Map
1Suffix(25—40)% increased number of Rare Expedition Monsters in Map
1Suffix(12—18)% increased Effect of Expedition Remnants in Map
1SuffixMap contains (15—30)% increased number of Runic Monster Markers
1Suffix(15—30)% increased Stack size of Simulacrum Splinters found in Map
1SuffixDelirium Fog in Map lasts (6—12) additional seconds before dissipating
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