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After the launch window ends Nov 1 at 20:00 UTC, Scourge only spawns on Fridays (00:00–24:00 UTC). Farm the conveyor during Dawn of the Scourge, run World Missions for crates, or buy a guaranteed crate for 10 Treats — upgrade chips cannot create Scourge.

When Scourge spawns

Outside these windows the conveyor weight is literally zero.

WindowTimes
Launch windowOct 24 – Nov 1, ends 20:00 UTC
Scourge FridaysEvery Friday 00:00–24:00 UTC (Thu 4 PM – Fri 4 PM PST)
Dawn of the ScourgeTimed spawn — a Scourge blueprint forced onto the conveyor every 300 seconds

Every way to get one

Odds and guarantees.

SourceCost / odds
Conveyor blueprintRoughly 1 in 155 (Common) to 1 in 447 (Mythic)
World MissionPays a Scourge Blueprint Crate while the event is on
Gonk-O-Ween shop10 Treats = guaranteed Scourge Blueprint Crate
Scourgedex hand-insEvery 5 surrendered droids pays a crate
Scourge Surge500 V-Bucks (or 450 Nova crystals) — 5 min of boosted Scourge on the belt

Hive Mind & the numbers that matter

Placement beats possession.

Hive Mind scales with Scourge droids actually placed — in work stations, Astromech mission slots, Protocol slots or the Upgrade Chip Station. Above Credits Multi x1.45, no count of Scourge out-earns an activated Kyber of the same droid; below it, enough Scourge can beat Stellar (12 at x10, 13 for Mythic). Scourge also fills any variant's rebirth requirement.

Scourge Prime boss fight

The headline reward of the event.

The Scourge Prime fight ran Oct 31 – Nov 1 (ends 21:00 UTC): progress goals at 45,000 / 120,000 / 240,000 damage — the top tier unlocks Scourge Prime as an Iconic droid. Repeat clears pay 5 Nova Crystals per 20,000 damage, and each defeat floods the belt with 60 seconds of high-tier Scourge blueprints. No Scourgedex hand-ins during the fight window.

FAQ

Can I get the Scourge event droid after November 1?
Yes — Scourge returns to the Droidsmith Outpost every Friday (UTC) after the launch window. The Scourge Prime boss unlock itself was event-limited.
Is this the 'scourge event droid tycoon' people are searching?
Yes — same thing: the limited-time Scourge event inside Star Wars: Droid Tycoon.
Why does my Scourgedex say incomplete?
You must surrender each droid to the Scourgedex — crafting it isn't enough. Hand-ins are disabled during the boss fight window.