sorry about the nested .zip-s. There are slight variations between versions that need to be addressed.
please pick the latest version you disire.
note - 1.17.1 version is compatable with 1.18

btw i just fixed an error with the blazar weapon... missing a 0 in the projectile damage 2022/7/22

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Version differeces
1.16.5 v1.0 - original
    - added for historical reasons

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1.16.5+ v1.3 - original, but with some bug fixes and 1.17 compatability

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1.16.5+ v2.1 - balancing update
    Nerfs
    - Astrum Deus's Total health has been reduced by 25% from 400 --> 300
      Felt like too much health for minecraft... considering there isn't much progression after the wither, and this is still harder than the (java) wither
    - Starfall damage reduced from 8 --> 7 ... i think (idk how arrow crits work)
    - Star Sputter pierce level reduced from 5 --> 3
    Buffs
    - Quasar has had a complete rework. Now more accurate to the Radient Star, its common variant, in terraria calamity mod.

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1.16.5+ v3.0 - Aureus Update
    Additions
    - Astrum Aureus Boss
    - 3 unique items from the boss (not the weapons unfortunatly... that would just be redundant)
    - A whole host of bug fixes, optimizations, texture changes, and unused content
    Nerfs
    - Astrum Deus's turn ... radius? decreased
    - probably some other changes i forgot

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1.16.5+ v4.0
         - ASTRAL BIOME COMPLETELY REVAMPED
        Biome is now 3 times larger
        Biome now also spread via infectious meteorites
        Meteor itself nolonger infects block
        Meteor now also spawns when killing Astrum Aureus if 1: there is no meteor nearby and 2: You have defeated Astrum Deus
        New astral monolith structure
           no... i didn't add the astral beacon. a book containing the official lore of the biome takes its place
       New astral... cave?
        just a winding cave generated with the biome, contains some weapons from the astral infection
       Only spawns ONCE (but everything is renewable!)
    
     - New Particles?
        astral fog
        willowisp
        astral spark
            all three of these will replace the old flame particles

     - New Mobs
        Fusion Feeder
            A sand shark. 
            Rare Drop: Polaris Parrotfish
        Astralacnea
            An infected spider
            Rare Drop: Astralachnea Staff
        Stellar Culex
            An infected ... mosquito... i think
        Hive & Hivelings
            A hivemind of infected swarm hive insects
            drops Stellated Wax if you hit it with shears
        Atlas
            A large humanoid guardian of the stars        
            Rare Drop: Titan Arm
        Cetus (Custom)
            An Infected Whale
            Shoots world slicing laser swords when attacked
            Almost didn't make it in due to animation issues
            Rare Drop: Blazar
            Replaces Atlases underwater as it also drops the titan heart

     - New Items
        Infectious Meteor    
        Titan Arm
        Astralachnea Staff
        Polaris Parrotfish (did you know this is a reference to cave story? i didn't)
        Hive Pod
        Titan Heart
        Titan Potion
        Stellated Wax
        Blazar
        Block of Astral Ingot (... wish they gave the ingot a more metallic sounding name cause i can't say block of astral)

     - New astral "sub-biomes" to determine new spawns
        Surface
            Default Biome
            Spawns Mantis, Sightseer, Astral slime, and Atlas
        Underground
            Made up of stone and or terracotta
            Spawns Astralacnea, Stellar Culex, Hives, and Atlas 
            (Shhh, i know that Atlases shouldn't spawn here... but you see... i don't care, also its kinda nessessary because this can technically be a surface biome)
        Desert
            Made up of sands
            Spawns Fusion Feeder, Mantis, Sightseer, Astral Slime, Atlas
        Aquatic
            Underwater
            Fusion Feeder, Cetus

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1.16.5+ v4.2 - OPTIMISAtioN Update

Optimizations
    converted most "as @s " to "if entity @s"
    removed the old supermanager method, it was causing more harm than good.
    removed bodytp function, found a better way. (learned from the aether fix datapack)
    changed the animation system a little, specifically the body detection. MASSIVE IMPROVEMENT HERE

Other Fixes
        almost EVERY ENEMY DAMAGE HAS BEEN NEARFED. Easy mode is the new normal 
            (cause i developed the datapack in easy before i realized this issue existed)
            Mantis 7 --> 4.5
            Sightseer 5 --> 3.5
            Atlas 20 --> 11
            Fusion feeder 10 --> 6
            Stellar Culex 10 --> 6
            Astrum Deus Head 30 --> 16 
            Astrum Deus Body 7 --> 4.5
            (Astram Deus) Astral Mine Contact 30 --> 16 
            Astral Boss Laser Contact (unused) 12 --> 7 (main damage was already 7 :P)
            Astrum Aureus Melee 22 --> 12
        1.19 compatable
        added 1.17+ tranparent blocks (should still work in 1.16)
        The function used to bounce entities is no longer weird and terrible. (new from aether fix datapack)
        Changed all references to tag "Worm2" --> "Astrum_DeusWorm2"*
        Changed the universal worm functions to astralworm to avoid conflicts with another datapack*
        Astrum Aureus's pathfinding actually works as intended now. (its better, but still bad) 

        *For the abyssal guardian datapack. One datapack's items will still be broken however, so it doesn't fix the issue yet. (have an idea for a universal datapack library... but it gets confusing to hook a datapack up to it.)

    Weapon Changed
        Starfall nolonger locks to the center of an entity. 
        Starfall now hits hitboxes.
        Stellar Cannon astral crystal now explodes on hitboxes.
        Lunic eye now hits hitboxes.
        Hivelings (enemy) now hits hitboxes.
        Hivelings (player) now hits hitboxes.
        Blazar now does 15 damage across the board, and entities now have armor taken into acount
    
    Textures Changed:
        Both Astral Jelly textures updated
        Titan arm & upgraded Astral Scythe made smaller when on the floor
        New unused catalyst mod textures. Im not gonna use them for anything. they just exist now
