This is a port of a mod made by TSFlareon here is the link

This mod adds 8 Legendary, & 1 Mythical Pokémon, 5 structures, & 7 new items to cobblemon.

For fabric

You need Kotline for fabric installed, click here to install

People asking how to get mod items

/give name minecraft:command_block -> Jade orb
/give Dev minecraft:repeating_command_block -> Mew DNA
/function legends_untold:give_comet_shard -> Comet Shard

Jade orb, Structure maps can be found in

abandoned_mineshaft
ancient_city
bastion_treasure
end_city_treasure
jungle_temple
simple_dungeon
stronghold_corridor
woodland_mansion

Mew DNA is only found in sky pillar using brush

Lang Config

{  
"block.minecraft.repeating_command_block": "Mew DNA", 
"block.minecraft.command_block": "Jade Orb",

"advancement.legends_untold.all_birds.title" : "Bird Mastery",  
"advancement.legends_untold.all_birds.description": "Catch all 3 legendary birds and have them in your party",

"advancement.legends_untold.find_legendary.title": "Legendary Encounter",  
"advancement.legends_untold.find_legendary.description": "Find any Legendary Structure",

"advancement.legends_untold.ironleaves.title": "Traveling Leaves",  
"advancement.legends_untold.ironleaves.description": "Encounter Iron Leaves in a Tera Den",

"advancement.legends_untold.mew_ruins.title": "Far, Far Away",  
"advancement.legends_untold.mew_ruins.description": "Find the Faraway Ruins",

"advancement.legends_untold.obtain_mew_dna.title": "Mew Was Here",  
"advancement.legends_untold.obtain_mew_dna.description": "Find Mew DNA in a Legendary Structure",

"advancement.legends_untold.sky_pillar.title": "Tower of Legend",  
"advancement.legends_untold.sky_pillar.description": "Find the Sky Pillar",

"advancement.legends_untold.spawn_rayquaza.title": "Sky High",  
"advancement.legends_untold.spawn_rayquaza.description": "Bring a Jade Orb to the top of Sky Pillar and meet Rayquaza",

"advancement.legends_untold.walkingwake.title": "Ancient Seas",`  
"advancement.legends_untold.walkingwake.description": "Encounter Walking Wake in a Tera Den",

"advancement.legends_untold.xerneas.title": "Primeval Roots",
"advancement.legends_untold.xerneas.description": "Find the Tree of Life"
}

New Legendary (And Mythical) Pokémon & How to get them:

Rayquaza

Rayquaza is found in the Sky Pillar, a new rare structure that you can find in mountian biomes. Bringing a Jade Orb to the top of Sky Pillar will spawn in a level 70 Rayquaza. Rarely in some structures you will find a Jade Orb or a Jade Map, a map that leads you directly to Sky Pillar. Every player on the server will get only one chance to catch Rayquaza.

Mewtwo

Rarely in Legendary Structures like Sky Pillar you will find a new item called Mew DNA, using this & a nether star or a comet shard you can create Mewtwo in a Resurrection Machine.

Mew

Mew is found in the Faraway Ruin, a new rare structure that you can find in jungle biomes. Entering the Faraway Ruins will spawn in a level 30 Mew. Rarely in some structures you will find an Old Map, a map that leads you directly to the Faraway Ruins. Every player on the server will get only one chance to catch Mew. Consider having a masterball cuz its catch rate is only 4%. The Faraway Ruins are based on the Faraway Island from Gen III. You can have mew on your shoulder, Shoulder effects slow falling.

Xerneas

Xerneas is found at the Tree of Life, a new rare structure that you can find in oak forest biomes. Getting near the Tree of Life will spawn in a level 50 Xerneas. Rarely in some structures you will find a Life Map, a map that leads you directly to the Tree of Life. Every player on the server will get only one chance to catch Xerneas. The Tree of Life is based on a location from Pokemon Mystery Dungeon.

Legendary Birds

Articuno

It will spawn only in freezing biomes like frozen_spikes
It will have a 3x chance of spawning in the rain (still pretty rare)
Spawns between level 50-70

Moltres

It will spawn in biomes like sandy biomes like biomesoplenty:volcano and minecraft:desert biomes
Twice spawning rate when not raining/thundering
Spawns between level 50-70

Zapdos

Can spawn anywhere in the overworld
3x chance of spawning when its thundering
Spawns between level 50-70

Walking Wake & Iron Leaves

Walking Wake & Iron Leaves are found at Tera Dens, a new set of underground structure that come in 2 types: Water Tera Dens, & Psychic Tera Dens. Getting near the center of a Tera Den will spawn in the respective legendary at level 75. Walking Wake in Water Dens, & Iron Leaves in Psychic Dens. Rarely in some structures you will find a Tera Map, a map that leads you directly to either Tera Den. Every player on the server will get only one chance to catch them.

Cobblemon: Legends Untold Reborn (Discontinued)