Sleep Charm is a talisman you take through three ranks, ending at Sleep Resistance Lv3. The first rank costs 500z to craft, every rank after that is an upgrade. Some of the materials only come from Congalala and Nerscylla.
Rank by rank
Sleep Charm IRarity 3
Sleep Resistance Lv1: Reduces the duration of sleep by 30%.
Craftable · 500zSleep Charm IIRarity 4
Sleep Resistance Lv2: Reduces the duration of sleep by 60%.
Upgrade from previous rank · 1,500zSleep Charm IIIRarity 5
Sleep Resistance Lv3: Prevents sleep.
Upgrade from previous rank · 3,000z