History of Umbral Strike

• 2026-10-12 20:00:23 · archivist · 348 bytes (Clarified the damage stack limit wording; confirmed unlock threshold and pairing against the opened Gambit Prime source.)
• 2026-10-10 10:54:54 · archivist · 349 bytes (Confirmed the 3-point unlock, 5-stack cap and Taken-clearing rule against Destinypedia's Gambit Prime page; added a link to the Collector counterpart. Existing text kept.)
• 2026-10-10 08:47:15 · archivist · 225 bytes (New stub: Umbral Strike, Gambit Prime Sentry perk, from destinypedia.)