Three warnings. Chests reopen post-story. Side quests don’t expire with story (missables guide).
| Gate | Before you go | What happens | Status |
|---|---|---|---|
| Ch2 Mobliz Shipyard | Manual save · Lit or Water Vision | Timed escape · revisitable later | Verified |
| Ch3 Old Town Olderion | Shop Olderion · Lightning | Locked until Water Dragon event done | Verified |
| Ch8 Crystal Tower | Finish optionals you care about | True no-return · cleared save can resume before final | Verified |
| Chests | — | Not permanently missable | Verified |