Lvl 6 jewels: Minotaur (double axe labyrinth lvl 3)
Lvl 7 jewels: King sea serpent (santa maria island)
Lvl 8 jewels: Caveman chieftain (madagascar cave)
Lvl 9 jewels: Golden buddha (semarang suburb)
Lvl 10 jewels: Shogun (edo shogun residence)

Non-Pirate Nationality Droped series:

Courage serie (lvl6):

Ring of courage : Goblin Frog (scicily cave), Mutant Frog (scicily cave).
Courage Badge : Anubis (alexandria pyramid), Minotaur (crete maze).
Medal of courage : Dragon Lizard (mallorca, semarang).

Warrior serie (lvl7):

Ring of warrior : King Sea Serpent (santa maria)
Warrior Badge : King Sea Serpent (santa maria)
Medal of warrior : King Sea Serpent (santa maria)

Bravery serie (lvl8):

Ring of bravery: Caveman Chieftain (madagascar cave)
bravery Badge : Caveman Chieftain (madagascar cave)
Medal of bravery: Caveman Chieftain (madagascar cave)

Valiancy Serie (lvl9):

Ring of valiancy : Animated Golden Budha (semarang)
Vailancy Badge : Animated Golden Budha (semarang)
Medal of vailancy : Animated Golden Budha (semarang)

Empire Ares serie (lvl10):

Ring of empire ares : Shogun (edo), Guadian Beast (beijin moselum)
Empire ares Badge : Shogun (edo), Guadian Beast (beijin moselum)
Medal of empire ares : Shogun (edo), Guadian Beast (beijin moselum)

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Eloquance Series (these drop of merchant ships with same name) :

Ruby serie (lvl61 eloquence):

Ruby Ring : Ruby merchant boats
Ruby necklace : Ruby merchant boats
Ruby amulet : Ruby merchant boats

Sapphire serie (lvl71 eloquence):

Sapphire Ring : Sapphire merchant boats
Sapphire necklace : Sapphire merchant boats
Sapphire amulet : Sapphire merchant boats

Gold serie (lvl81 eloquence):

Gold Ring : Gold merchant boats
Gold necklace : Gold merchant boats
Gold amulet : Gold merchant boats

Diamond serie (lvl91 eloquence):

Diamond Ring : Diamond merchant boats
Diamond necklace : Diamond merchant boats
Diamond amulet : Diamond merchant boats

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Pirate Droped series (land drops only):

Silver Eagle serie (lvl6):

Ring of Silver Eagle: Skeletal Knight (reykjavik, crete maze)
Silver Eagle Pendant : Skeletal Knight (reykjavik, crete maze)
Medal of Silver Eagle: Skeletal Knight (reykjavik, crete maze)

Tiger serie (lvl7):

Ring of Tiger: Viking Lord (many suburbs)
Tiger Pendant : Viking Lord (many suburbs), Poison Dart Goblin (basra)
Medal of Tiger : Viking Lord (many suburbs), Poison Dart Goblin (basra)

Skeleton serie (lvl8):

Ring of Skeleton: Phantom Lord (bombay taj mahal)
Skeleton Pendant : Phantom Lord (bombay taj mahal)
Medal of Skeleton : Phantom Lord (bombay taj mahal)

Devil serie (lvl9):

Ring of Devil : Barbarian Champion (taiwan)
Devil Pendant : Barbarian Champion (taiwan)
Medal of Devil : Barbarian Champion (taiwan)

Hades serie (lvl10):

Ring of Hades: Chief Guard of Grave Guard (beijin moselum), Golum Knight (beijin moselum)
Hades Pendant : Chief Guard of Grave Guard (beijin moselum), Golum Knight (beijin moselum)
Medal of Hades: Chief Guard of Grave Guard (beijin moselum), Golum Knight (beijin moselum)

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Pirate Tortue city Quests series :

Flying Tiger serie (lvl7):

Flying Tiger Ring : 300 'Trade Voucheres'
Flying Tiger necklace : ?
Flying Tiger amulet : ?

Skull serie (lvl8):

Skull Ring : 500 'Trade Voucheres'
Skull necklace : 480 'Trade Voucheres'
Skull amulet : 450 'Trade Voucheres'

Devil serie (lvl9):

Devil Ring : 700 'Trade Voucheres'
Devil necklace : 680 'Trade Voucheres'
Devil amulet : 650 'Trade Voucheres'

Azrael serie (lvl10):

Azrael Ring : 1000 'Trade Voucheres'
Azrael necklace : 980 'Trade Voucheres'
Azrael amulet : 950 'Trade Voucheres'

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Pirate Uknown series (droped?):

Land Tiger serie (lvl?):

Ring of Land Tiger : ?
Land Tiger Badge : ?
Medal of Land Tiger: ?

Seawolf serie (lvl?):

Ringo of Seawolf : ?
Seawolf Badge : ?
Medal of seawolf: ?

Black Skelton serie (lvl?):

Ring of Black Skeleton: ?
Black Skeleton Badge : ?
Medal of Black Skeleton: ?

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Extras / unclassified:

Aeneas serie (no lvl):

Aeneas Ring : (Beijin quest, require 89 foundry)
Aeneas necklace : i suspect quest in beijin?
Aeneas amulet : i suspect quest in beijin?