Listed are some of the items obtained through chocobo digging. Like fishing, each item has some sort of skill cap based on rank. Certain items require a minimum skill to dig up, but there is an chance you can dig them up sooner, depending on moon phase.
Test items in italics only need to be dug up just once during your current digging rank.
Caps at Amateur rank (min. skill Amateur rank to dig)
Pebble
Little Worm
Flint Stone
Chocobo Feather
Acorn
Bone Chip
Caps at Recruit rank (min. skill Amateur rank to dig)
Insect Wing
Seashell
Lugworm
Arrowwood Log
Maple Log
Pugil Scales
Rattan Lumber
Caps at Initiate Rank (min. skill Amateur rank to dig)
Tin Ore
Zinc Ore
Rock Salt
Moko Grass
Lauan Log
Copper Ore
Beastcoin
Willow Log
Cinnamon
Caps at Novice Rank (min. skill Amateur rank to dig)
Lizard Molt
Giant Femur
Silver Ore
Iron Ore
Shell Bug
Ash Log
Yagudo Feather
Bird Feather
Sage
Danceshroom
Caps at Apprentice Rank (min. skill Recruit rank to dig)
Yew Log
Holly Log
Coral Fragment
Elm Log
Saruta Cotton
Silver Beastcoin
Grain Seeds
Crystals
Dryad Root
Rosewood Log
Caps at Journeyman Rank (min. skill Initiate rank to dig)
Wyvern Scales
Oak Log
Dried Majoram
Chestnut Log
Colored Rocks
Mythril Beastcoins
Herb Seeds
Vegetable Seeds
Scream Fungus
Ebony Log
Mahongany Log
Puffball
Caps at Craftsman Rank (min. skill Novice rank to dig)
Darksteel Ore
Gold Ore
Philosophers stone
Friut Seeds
Clusters
Coral Fungus
Gold Beastcoin
Petrified Log
Caps at Artisan Rank (min. skill Apprentice rank to dig)
Platnium Ore
Red Jar
Platnium Beastcoin
Mistletoe
Shall Shell
King Truffle
Caps at Adept Rank (min. skill Journeyman rank to dig)
Tree Cuttings
Black Chocobo Feather
Phoenix Feather
Turtle Shell
Reishi Mushroom
Caps at Veteran Rank (min. skill Craftsman rank to dig)
Cactus Stems
Adaman Ore
Orichalcum Ore
Elemental Ore
Test items in italics only need to be dug up just once during your current digging rank.
Caps at Amateur rank (min. skill Amateur rank to dig)
Pebble
Little Worm
Flint Stone
Chocobo Feather
Acorn
Bone Chip
Caps at Recruit rank (min. skill Amateur rank to dig)
Insect Wing
Seashell
Lugworm
Arrowwood Log
Maple Log
Pugil Scales
Rattan Lumber
Caps at Initiate Rank (min. skill Amateur rank to dig)
Tin Ore
Zinc Ore
Rock Salt
Moko Grass
Lauan Log
Copper Ore
Beastcoin
Willow Log
Cinnamon
Caps at Novice Rank (min. skill Amateur rank to dig)
Lizard Molt
Giant Femur
Silver Ore
Iron Ore
Shell Bug
Ash Log
Yagudo Feather
Bird Feather
Sage
Danceshroom
Caps at Apprentice Rank (min. skill Recruit rank to dig)
Yew Log
Holly Log
Coral Fragment
Elm Log
Saruta Cotton
Silver Beastcoin
Grain Seeds
Crystals
Dryad Root
Rosewood Log
Caps at Journeyman Rank (min. skill Initiate rank to dig)
Wyvern Scales
Oak Log
Dried Majoram
Chestnut Log
Colored Rocks
Mythril Beastcoins
Herb Seeds
Vegetable Seeds
Scream Fungus
Ebony Log
Mahongany Log
Puffball
Caps at Craftsman Rank (min. skill Novice rank to dig)
Darksteel Ore
Gold Ore
Philosophers stone
Friut Seeds
Clusters
Coral Fungus
Gold Beastcoin
Petrified Log
Caps at Artisan Rank (min. skill Apprentice rank to dig)
Platnium Ore
Red Jar
Platnium Beastcoin
Mistletoe
Shall Shell
King Truffle
Caps at Adept Rank (min. skill Journeyman rank to dig)
Tree Cuttings
Black Chocobo Feather
Phoenix Feather
Turtle Shell
Reishi Mushroom
Caps at Veteran Rank (min. skill Craftsman rank to dig)
Cactus Stems
Adaman Ore
Orichalcum Ore
Elemental Ore
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