v4.5.4 Web release cleanup: English UI, simple save, tutorial, mobile polish
Lock/reroll/auto-sell were removed. Manage gear through dismantle, synthesis, and rebirth settlement.
Collect materials and complete research to gain permanent stats that remain after rebirth.
Rebirth Gear is permanent gear that survives rebirth. It is not affected by normal Auto Equip; equip it manually based on set effects.