Operation Plague Star 2026

Operation: Plague Star descends on the Plains of Eidolon once more from September 9 to September 23, across all platforms.

Steal toxin from Councilor Vay Hek and the Grineer, destroy the boil and save Cetus before the Infestation can grow out of control.

What You Need To Do

Speak to Konzu in Cetus to undertake the Plague Star Bounty Complete the series of Bounty Missions to earn Operational Supply Standing for the Event Rewards

What You Need To Know

Bounties come with various requirements for completion that yield specific Rewards outlined below.

Tier 1:

Requirements: No prerequisites Rewards: Base Standing: 1,025 Bounty Bonus Completion: 25 bonus

Tier 2:

Requirements: 1x Eidolon Phylaxis + 1x Infested Catalyst Rewards: Base Standing: 3200 Bounty Bonus Completion: 75 bonus

Tier 3:

**Requirements:**1x Eidolon Phylaxis + 1x Infested Catalyst + Steel Path Eligibility Rewards: Base Standing: 3800 Bounty Bonus Completion: 100 bonus

In thanks for your hard work, Nakak has some new Offerings pulled from elsewhere in the Origin System for you to claim:

• Teralyst Prominence Sigil

• Ostron Community Sigil

• Rift Sigil

• Two-Handed Nikana Maligna Skin

• Umbra Forma (Built)