No known way to get this in the game yet.
Contents(Guaranteed)
ItemQuantityFor
Tempest Greatsword x1Gladiator / Level 1 - 100
Tempest Guard x1Gladiator / Level 1 - 100
Tempest Longsword x1Templar / Level 1 - 100
Tempest Guard x1Templar / Level 1 - 100
Tempest Dagger x1Assassin / Level 1 - 100
Tempest Guard x1Assassin / Level 1 - 100
Tempest Bow x1Ranger / Level 1 - 100
Tempest Guard x1Ranger / Level 1 - 100
Tempest Spellbook x1Sorcerer / Level 1 - 100
Tempest Guard x1Sorcerer / Level 1 - 100
Tempest Orb x1Spiritmaster / Level 1 - 100
Tempest Guard x1Spiritmaster / Level 1 - 100
Tempest Mace x1Cleric / Level 1 - 100
Tempest Guard x1Cleric / Level 1 - 100
Tempest Staff x1Chanter / Level 1 - 100
Tempest Guard x1Chanter / Level 1 - 100
Tempest Orb x1Brawler / Level 1 - 100
Tempest Guard x1Brawler / Level 1 - 100