Upgrade Defense Charm through five ranks and it tops out at Defense Boost Lv5. The first rank costs 500z to craft, every rank after that is an upgrade. Some of the materials only come from Ajarakan, Balahara, Chatacabra and five more monsters.
Rank by rank
Defense Charm IRarity 2
Defense Boost Lv1: Defense +5
Craftable · 500zDefense Charm IIRarity 4
Defense Boost Lv2: Defense +10
Upgrade from previous rank · 1,500zDefense Charm IIIRarity 5
Defense Boost Lv3: Defense +5% Bonus: +10
Upgrade from previous rank · 3,000zDefense Charm IVRarity 6
Defense Boost Lv4: Defense +5% Bonus: +20 All elemental resistances +3
Upgrade from previous rank · 6,000zDefense Charm VRarity 7
Defense Boost Lv5: Defense +8% Bonus: +20 All elemental resistances +3
Upgrade from previous rank · 9,000z