Complete the game as Myifee
Level 1: Double edge: Default. No bonus effects.
L2: Double sword: Range +15%, critical rate +10% - Felppe village, rescue 2 villagers first - chest behind church.
L3: Tornado: Attack +10%, Range + 20%, defense + 25% - Chest in Bastide of Varrgandd. South of main courtyard before you meet Tea Tea.
L4: Dual Crescent: Attack & critical rate +20%,Range +30% - Chest in Ice gate. North of Gate 4.
L5: Tempest: Attack & critical rate +60%, range +50%. Null critical damage received. -Bastide of Varrgandd. To get the Tempest, if you look at the last area (the huge open area) you see a trident shaped thing on the map. On the middle of that trident there is a circular shape. In the actual game there is a statue there. There should be a chest near that statue.
L6: Black Ox: Attack & range +40%, defense +20% - Chest in Everr Mountains. On the S/W path from your starting position.
L7: Ansalar: Attack & range +50%, Speed, orb attack and orb appear all +30% - Chest in Pholya flatlands. When you go to defend the bridge, it's a short distance N/E of the bridge.