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Prerequisite dimension Overworld
Realmstone Precasia Realmstone.png
Text The portal looks surprisingly new as it appears.
Portal sound
Version 1.0

Precasia is a prehistoric dimension.

Overview[edit | edit source]

Precasia is seemingly a forest dimension with giant trees. The dimension has 4 ores, 7 structures, and 2 bosses.

Accessing[edit | edit source]

Precasia is accessed by using a Precasia Realmstone.png Precasia Realmstone on a carved rune of power in a portal. The realmstone is obtained with the following recipe:

Item Ingredients Recipe
Precasia Realmstone 1 Blank Realmstone +
1 Oak Sapling +
1 Birch Sapling +
1 Spruce Sapling +
1 Jungle Sapling +
1 Acacia Sapling +
1 Dark Oak Sapling
Oak Sapling
Birch Sapling
Spruce Sapling
Jungle Sapling
Acacia Sapling
Dark Oak Sapling
Blank Realmstone
Precasia Realmstone
This recipe is shapeless; the ingredients may be placed in any arrangement in the crafting grid.

Generation[edit | edit source]

Precasia's generation consists of flat areas and hilly areas. There are two types of stone in the dimension: high precasia stone and low precasia stone. Low precasia stone makes up a majority of the underground, while the high precasia stone generates solely in the top few layers leading up to the surface, similar to dirt in the Overworld. The topmost layer is mostly made of precasia grass.

Caves generate underground in the dimension, similarly to Overworld caves. Four different fossil ores can be found underground in veins. Lava lakes can be found underground about layer y = 10 and below.

Precasia appears to have a day-night cycle.

Blocks[edit | edit source]

The blocks that can be found in Precasia are:

Naturally generating
Precasia Grass.png Precasia Grass
High Precasia Stone.png High Precasia Stone
Low Precasia Stone.png Low Precasia Stone
Skull Fragments.png Skull Fragments
Chest Fragments.png Chest Fragments
Leg Fragments.png Leg Fragments
Foot Fragments.png Foot Fragments
Stranglewood Log.png Stranglewood Log
Stranglewood Leaves.png Stranglewood Leaves
Lucalus Log.png Lucalus Log
Lucalus Leaves.png Lucalus Leaves
Dimensional Fabric.png Dimensional Fabric
MissingIcon32.png Lava
Tangle Thorns.png Tangle Thorns
Lucon Grass.png Lucon Grass
Generates in structures
Skeletal Bricks.png Skeletal Bricks
Army Block.png Army Block
Kaiyu Temple Blocks.png Kaiyu Temple Blocks
Skeletal Lamp.png Skeletal Lamp
Cycade Wood.png Cycade Wood
Cycade Leaves.png Cycade Leaves
Dark Bricks.png Dark Bricks
32px Dark Bricks Slab
Life Rune Post.png Rune Post

Structures[edit | edit source]

There are currently 7 structures in Precasia:

Image Structure name Description
Jungle Lotto Hut.png Jungle Lotto Hut This is the main Lotto Structure for this dimension. The Precasian Lottoman spawns here.
Kaiyu Temple.png Kaiyu Temple Kaiyu Temples are massive temple structures. At the bottom of the temple is a spawner that spawns Kaiyus.
Inside of a Kaiyu Temple.
300px Life Rune Shrine A Life Rune Shrine can be found in Precasia.
Opteryx Nest.png Opteryx Nest A small nest structure that generates in the trees. Opteryx spawn here.
Precasian Den.png Precasian Den Precasian Dens are structures composed of Skeletal Bricks that spawn underground. Diocus, Iosaurs, and Spinoledons spawn here.
Outside view of the den.
Skeletal Army Arena.png Skeletal Army Arena A Skeletal Army Arena is an uncommon structure composed of Skeletal Bricks. The mighty Skeletal Army can be fought here.

Mobs[edit | edit source]

The mobs of Precasia all appear to be types of prehistoric animals or dinosaurs. There are 11 hostile mobs in Precasia. Out of those 11, 5 spawn in structures, and 3 are hunter mobs. Many of the mobs in the dimension have varying immunities to certain damage types.

Hostile[edit | edit source]

Name Spawning Requirement Notes
Deinotherium.png Deinotherium Spawns naturally Immune to knockback.
Diocus.png Diocus Spawns in Structure.png Precasian Dens. Warning: HunterAtt.png This mob is a hunter mob
Dyrehorn.png Dyrehorn Spawns naturally Immune to knockback.
Giant Snail.png Giant Snail Spawns naturally Leaves a trail of poisonous acid behind it.
Iosaur.png Iosaur Spawns in Structure.png Precasian Dens. Warning: HunterAtt.png This mob is a hunter mob
Regenerates fast.

Immune to knockback.

Kaiyu.png Kaiyu Spawns in Structure.png Kaiyu Temples. Warning: HunterAtt.png This mob is a hunter mob
Uses ranged attacks.
Immune to knockback.
Opteryx.png Opteryx Spawns in Structure.png Opteryx Nests.
Sabretooth.png Sabretooth Spawns naturally Weakens on hit.
Spinoledon.png Spinoledon Spawns in Structure.png Precasian Dens. Warning: HunterAtt.png This mob is a hunter mob.

Immune to knockback.

Terradon.png Terradon Spawns naturally but is rare. Randomly becomes completely invincible for a moment.
Immune to knockback.
Tortione.png Tortione Spawns naturally Immune to sword damage.

Immune to knockback.

See individual mob pages for more information.

Passive[edit | edit source]

Name Spawning Requirement
Meganeuropsis.png Meganeuropsis Spawns naturally

See individual mob page for more information.

NPCs[edit | edit source]

Name Spawning Requirement
Precasian Lottoman.png Precasian Lottoman Spawns in Structure.png Tree Huts.
Undead Herald.png Undead Herald Spawns naturally

See individual mob pages for more information.

Bosses[edit | edit source]

Name Spawning Requirement
SkeletalArmy.png Skeletal Army Spawned by interacting (right-clicking) with an Army Block.png Army Block, or by defeating a Skele-elder that is pre-spawned in the structure.
Tyrosaur.png Tyrosaur Spawned by holding down the use (right-click) button while holding a Bone Horn.png Bone Horn.

See individual boss pages for more information.

Resources[edit | edit source]

Precasia Table[edit | edit source]

The Precasia Loot Table consists of the following items that can be dropped by all hostile mobs and bosses in the dimension (but not the NPCs):

Unique drops
Item Quantity Looting Chance Notes
Nothing 99.5%
Rare Table 0.5% Chance is increased with each level of luck and/or looting.
The above pool is rolled 1 time.
Will only roll if the entity is killed directly by a player.
Nothing 75.0%
Copper Coin.png Copper Coin 1-3 25.0%
The above pool is rolled 0-2 times, with an additional 0-1 rolls per point of Luck.
Nothing 49.5% Chance is decreased with each level of luck and/or looting.
Precasian Tokens.png Precasian Tokens 1-8 +0-2 per level 39.6%
Jungle Thorns.png Jungle Thorns 1 +0-1 per level 9.9%
Precasian Upgrade Kit.png Precasian Upgrade Kit 1 1.0% Chance is increased with each level of luck and/or looting.
The above pool is rolled 1 time, with an additional 0-1 rolls per point of Luck.

Other resources[edit | edit source]

Other resources that can be obtained from Precasia are:

Misc items Obtained from
Armour Plating.png Armour Plating Tortione and Tyrosaur
Bone.png Bone Diocus, Iosaur, Spinoledon and Skeletron
Chitin.png Chitin Meganeuropsis
Chestbone Fragment.png Chestbone Fragment Chestbone Fragment Ore, Iosaur and Skeletron
Footbone Fragment.png Footbone Fragment Footbone Fragment Ore, Iosaur and Skeletron
Gold Coin.png Gold Coin Skeletron and Tyrosaur
Ivory.png Ivory Deinotherium, Dyrehorn and Sabretooth
Leather.png Leather Diocus, Iosaur, Spinoledon and Tyrosaur
Legbone Fragment.png Legbone Fragment Legbone Fragment Ore, Iosaur and Skeletron
Life Rune.png Life Rune Rune Shrine
Lotto Totem.png Lotto Totem Precasian Lottoman (trade)
Opteryx Feather.png Opteryx Feather Opteryx
Raw Beef.png Raw Beef Diocus
Rune Box.png Rune Box Precasian Lottoman
Sharp Claw.png Sharp Claw Tyrosaur
Silver Coin.png Silver Coin Skeletron and Undead Herald (drop)
Skeletron Statue.png Skeletron Statue Skeletron
Skullbone Fragment.png Skullbone Fragment Skullbone Fragment Ore, Iosaur and Skeletron
Sticky Slime.png Sticky Slime Giant Snail
String.png String Diocus
Treasure Box.png Treasure Box Precasian Lottoman
Tyrosaur Statue.png Tyrosaur Statue Tyrosaur
Weapons Case.png Weapons Case Precasian Lottoman (trade)
Guns Obtained from
Mini Cannon.png Mini Cannon Diocus
Swords Obtained from
Legbone Sword.png Legbone Sword Iosaur
Primal Sword.png Primal Sword Tyrosaur
Skeletal Sword.png Skeletal Sword Skeletron
Archerguns Obtained from
Skeletal Archergun.png Skeletal Archergun Skeletron
Staves Obtained from
Kaiyu Staff.png Kaiyu Staff Kaiyu
Nature Staff.png Nature Staff Spinoledon
Armor Obtained from
Predatious Chestplate.png Predatious Armor Tyrosaur
Banners Obtained from
Ancient Banner.png Ancient Banner Undead Herald (trade)
Blood Banner.png Blood Banner Undead Herald (trade)
Creation Banner.png Creation Banner Undead Herald (trade)
Energy Banner.png Energy Banner Undead Herald (trade)
Soul Banner.png Soul Banner Undead Herald (trade)

Related Advancements[edit | edit source]

Icon Name Description Obtaining Parent ID Hidden
Advancement bg.pngJungle Thorns.png A Land Lost In Time Visit Precasia See description aoa3:precasia/root No

Directory[edit | edit source]

Chunk data for Precasia is saved in the AoA_Precasia folder inside a world's save folder in the player's minecraft directory.