Where to farm Caliban Prime Neuroptics? Best path and expected runs

Relic opening

Refinement

Confidence

Via relics

Neo C734.39% · 2.9 expected opens · 6 runs for 90%

Best relic source: Europa / Lillith (Excavation · Rot. C · 11.1%) → 27 runs + 3 expected opens · ≈ 55 min expected total time

Vanguard E1Vaulted59.04% · 1.7 expected opens · 3 runs for 90%

Vaulted: not currently dropping — get it by trading or in a future unvault.

Lith C13Vaulted34.39% · 2.9 expected opens · 6 runs for 90%

Vaulted: not currently dropping — get it by trading or in a future unvault.

We assume ~2.5 min per relic opening (short fissure). Per-mission timings are labeled by source: derived from game mechanics or community-estimated.

Expected runs = 100/chance · Runs for confidence p = ⌈ln(1−p)/ln(1−chance)⌉ · In a squad of 4 opening the same relic, the chance your part shows among the reveals is 1−(1−chance)⁴.