Não sei se todos conhecem os efeitos das jóias...logo segue abaixo
# Frintezza's Necklace
Mdef: 95
Bonuses: Reflect Damage: 10%, Dark Resistance: +15%, Sleep Resistance: +30%, Bleed Resistance: +50%, Shock Resistance: +30%, Poison Resistance: +50%, Paralysis Resistance: +30%, Re-use Delay Decrease: 10%
Localização: Imperial Tomb
Lvl: ???
# Valakas Necklace
Mdef: 95
Bonuses: MP: +42, HP: +445, P. Atk: +4%, M. Atk: +8%, Magic Crit: +100%, Reflect Damage: 10%, Fire Resistance: +15%, Sleep Resistance: +80%, Re-use Delay Decrease: 10%
Localização: Valakas Lair's
Lvl: 85
# Antharas Earring
Mdef: 71
Bonuses: MP: +31, Resistance to Bleeding: 80%, Resistance to Stun/silence: +60%, Resist Earth-type Attacks: +15%, Increase to Heals: 10%, Vampiric Rage: 6% of Damage Returned, Decrease in MP consumption: 5%
Localização: Antharas Nest
Lvl: 79
# Zaken Earring
Mdef: 71
Bonuses: MP: +31, Resistance to Bleeding: 60%, Resistance to Shock/Abnormal Mental State: +40%, Increase to Heals: 10%, Vampiric Rage: 4% of Damage Returned
Localização: Devil's Island
Lvl: 60
# Orfen Earing
Mdef: 71
Bonuses: MP+31, Resistance to Bleeding: 40%, Increase to Heals: 6%
Localização: Sea of Spores
Orfen: 50
# Baium Ring
Mdef: 48
Bonuses: MP: +21, Resistance to Poison: 80%, Resistance to Hold: 60%, Accuracy: +2, Critical Damage: +15%, Attack Speed: +4%, Casting Speed: +4%
Localização: Tower of Insolence
Lvl: 75
# Queen Ant Ring
Mdef: 48
Bonuses: MP: +21, Resistance to Poison: 60%, Resistance to Hold: 40%, Accuracy: +2, Critical Damage: +15%
Localização: Ant Nest
Lvl: 40
# Core Ring
Mdef: 48
Bonuses: MP+21, Poison Resistance: +40%, Accuracy: +1
Localização: Cruma Tower
Lvl: 50
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Com o tempo eu vou atualizando esse post.
Colocando as quests necessárias para encontrar alguns destes RB's
Espero ter ajudado.