The The Proxy Retribution Bonus Weekend was a special weekend occasion that took place from May 27, 2016, to May 31, 2016, featuring special Tactical Alert missions and other in-game limited-time bonuses.
Details[]
- DOUBLE AFFINITY
This weekend, team up and reap the rewards of double Affinity! You’ll earn twice the Affinity during any Warframe mission you play from now until May 31 at 2 p.m. ET.
- DARVO DEALS
Save 50% on the following items from now until May 31 at 2 p.m. ET.
Primary: 
Rubico
Secondary: 
Talons
Melee: 
Lacera
Syandana: Salix Syandana
- TACTICAL ALERT
The Corpus Proxy Army is back and it's stronger and faster than ever before. Show no mercy Tenno, intercept and destroy them.
- Day 1 Friday, May 27
Planet: Tessera, Venus
Mission Type: 20 Wave Defense
Reward: Orokin Catalyst + 10,000 Credits
- Day 2 Saturday, May 28
Planet: Martialis, Mars
Mission Type: Mobile Defense
Reward: Orokin Reactor + 10,000 Credits
- Day 3 Sunday, May 29
Planet: Palus, Pluto
Mission Type: 30 minute Survival
Reward: Wraith Twin Vipers with weapon slot & pre-installed Orokin Catalyst + 50,000 Credits
- Day 4 Monday, May 30
Planet: Io, Jupiter
Mission Type: 20 Wave Defense
Reward: 25 Rare 
Fusion Core + 10,000 Credits
Notes[]
- The Proxy Retribution tactical alerts all feature only Corpus proxy enemies, which include all variations of MOAs and Ospreys, as well as Hyena Ng and Isolator Bursas.
- Killing Hyena Ng will net the player a Stalker Death Mark.
- Hyena Ng generates an aura that grants nearby allies additional
Heat damage. Because some of the proxies also deal Electricity damage, this results in them dealing Radiation damage whenever a Hyena Ng is nearby. - While it is advertised as a Tactical Alert, completing the alerts will not award a Stratos Emblem.
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