How to upgrade the Ring Box from 1 → 3 → 5 slots: free L-1 from Vasu, shop expansions for 300 Rupees each, optional Linked Symmetry Secret, and the equip chain so rings actually work.
Ring Box card L-1 / L-2 / L-3 Prerequisites Upgrade facts Step checklist Rupee plan Loadouts FAQ
Capacities match in-game item text: one ring, three rings, five rings.
Mark access and cash you already have. Progress is saved in this browser only.
After upgrades, fill slots with a purpose. Full tier lists live on the best-rings guide.