| **E03** | O3, R08 with current R09 | First lesson: Clampcrawler alone, no crest; later death-shift variant releases a holding-volume crowd, alarm-only; P03 | First local latch/refusal/release; no part source |
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| **E03** | O3, R08 with current R09 | First lesson: Clampcrawler alone, no crest; eligible later-expedition variant releases a holding-volume crowd, alarm-only; P03 | First local latch/refusal/release; no part source |
| **E04** | O4, R11–R13 current short route | Flanker pack; Presser river through the ward-wing grille; no major mechanism | Arc R13; Y1/A1 mutually exclusive first rescue; wall/ward records |
| **E05** | O5, current R14–R15 relation | Boltspitter, Veilbearer; crowds from gantry and cable duct; P04 | Builder runs, A/B/address, wall crawl, Lens R15 |
| **E06** | O6, current R17→R20; optional R18/R19 | Open-source: Flankers plus one ward-release stage, three bands; sealed variant: two R17 bands plus one R20 band from E10, including R20 Siphon; R17 local passage; P05, with P11 extension | Dynamo/core R20; last-transfer evidence; D1 R18/Y1-later R19 rescues |
