Upgrade Unscathed Charm through three ranks and it tops out at Peak Performance Lv3. The first rank costs 3,000z to craft, every rank after that is an upgrade. Some of the materials only come from Congalala, Gravios, Hirabami and two more monsters.
Rank by rank
Unscathed Charm IRarity 5
Peak Performance Lv1: Attack +3 while active.
Craftable · 3,000zUnscathed Charm IIRarity 7
Peak Performance Lv2: Attack +6 while active.
Upgrade from previous rank · 9,000zUnscathed Charm IIIRarity 8
Peak Performance Lv3: Attack +10 while active.
Upgrade from previous rank · 16,000z