WarframeAlchemyLab ES
How to farm it? See the full plan Part of: Excalibur

Where it drops

Mars / War Assassination ~3 min per rotation · estimated time 22.56%

Set parts

→ See the full set: Excalibur

Excalibur Blueprint Excalibur Chassis Excalibur Neuroptics

FAQ

Where does Excalibur Systems drop?

The best source of Excalibur Systems is War (Mars), at 22.56% per reward according to Digital Extremes' official drop tables.

Can Excalibur Systems be traded?

No, Excalibur Systems cannot be traded: you have to earn it in-game.