That's the fourth published version of my datapack "1.0" on 1.19.4-1.20.1 minecraft version

OPTIFINE REQUIRED!

Mobs:

Adventurer - Villager that spawns in villages you can buy from him the perks you unlocked
Beekeeper - Villager that spawns near bee nests
Blastling - Enderman that spawns in The End
Brutal Illager - Illager that spawns in Illager Fortress and Great Dungeons
Dark Mage - Illager that spawns in raids, it attacks you with dark magic
Enchanter - Illager that spawns almost everywhere, it enchants hostile mobs (the list of Enchants are in other category)
Flamber - Piglin that spawns in The Nether, it can attack you with fire magic or with a golden axe with fire aspect
Fungus Thrower - Piglin that spawns in The Nether, it throws at you with warped fungi
Goblin - New type of mob that spawns in Dark Forests, it's hostile, but you can trade with it using gold ingots
Grittager - Zombie Illager that spawns in Desert Biomes, it attacks you with sand! it can also blind you
Healing Illager - Illager that spawns during raids, it heals the Raiders
Iceologer - Illager that spawns during raids and in frost biomes, it attacks you with Ice Chunks
King Illager - Illager that spawns in the Illager Fortress, it doesn't have special attacks, but if you kill it you will get an Advancement
Learned Villager - Villager Healer, it heals Villager Guards and Villagers!
Mineger - Again an Illager that spawns under 43 y level, it fights using PICKaxe
Mutated Mooshroom - New type of mob that spawns in Mush caves, it attacks you when you step on a mushroom
Mountaineer - Illager that spawns in Mountains
Royal Guard - Illager that spawns during Raids
Scouts - Scouts spawn in Illager Patrols, in one patrol there are some normal scouts and one illusion scout
Slimy Piglin - Piglin that spawns in Slime Forest in the nether
Snareling - Enderman that spawns in The End, if you get hit you can't move!
Villager Guard - Mob that protects villagers, you can upgrade it by throwing it an Emerald
Wraith - There are 2 types of this mob, first spawns during night, second spawns in soul sand valley and attacks you with fire!
Zombie Illagers - Evoker, Illusioner, Vindicator, Pillager, these mobs spawns in overworld near zombies
Eremites - Illager that spawns in Desert Illages

Animals:

Bear - just a bear, spawns in forests
Birds - Sparrow, and Crow spawns in forests, and Owls spawns in dark forests
Crimson/Warped Mooshroom - new types of the fungi cow (maybe in the future will be also added the piss cow)
Crimson/Warped Flaemoth - just a Moth that spawns in the nether forests

Bosses:

Wild Fire - the Hovering Inferno, Blaze King, name that thing as you want
Great Dungeon Guard - Illusionist, Evoker, Mage, Summoner, Guard anyway, that's an Ancient Illager that protects the Dungeon you want to loot
Piglin Emperor - Can be found in Piglin Strongholds in nether

Items:

Totem of Agression - Activates when you are at low HP (2 hearts) gives you some Buffs like Strength, drops from Dark Mage
Ice Totem - Activates when you are at low HP (2 hearts) freezes entities near you, drops from Iceologer with 16% chance
Fire Rod - you can Craft it with two blaze rods and one blaze powder (Shovel Shape) it summons the Hovering Inferno
Post Wild Fire Weapons - Inferno, Stormlander, Gravity Hammer, you can craft it using netherite block and netherite ingot(s)
Amethyst Mirror - with this you can return to you'r spawn point
Ice Wand - this item drops from Iceologer with 16% chance, that's his weapon just try it it makes a lot of fun, and it's very useful!
Tomato - new "food" but you can't eat it raw, you can eat it with bread, just craft it with bread and tomato
Blue Berries - new food that grows in forests
Tea - it grows on plains you can craft it with a tea leaf and water, u can add to it honey, sugar or any fruit, each tea can give different kinds of buff!
Swordfish - it's new type of treasure from fishing, it's new weapon
Totem of Illusion - Legendary item that drops from Dungeon Guard activates in the same time as the totem of undying
Gilding Table - Drops from Piglin Emperor can be used to gild Axes Swords Pickaxe Shovels or even Hoes! but you must use minimum 3 blocks of gold to do that

Structures:

Illager Fortress
Iceologer base
Mountain Illage
Desert Illage
Ships
Villager Town
Goblin Fortress
Great Dungeon
Piglin Stronghold

Biomes:

Overworld:
Autumn Forest
Pumpkin Pastures

Nether:
Great Inferno/Infernal Dunes
Withered Forest
Slime Forest
Crimson Valley

End:
End Wilds
End Forest
Cursed Forest
Obsidian Forest
Choir Forest
Crystal Peaks

Other:

Blood Moon - it's one per 8 night, during blood moon there is more hostile mobs
Attractive Villagers - Villagers now follows you when you have an emerald block in your hand