The first (chronologically) released Prime frame with whose base variant can’t be acquired in Circuit is?

When Revenant is wielding his signature shotgun, Phantasma, it gains the following benefit.

Using Animal Companions and the Scavenge mod it is possible to force the spawning of Ayatan stars.

The Mot arm of the Void features which difficulty enhancing enemy buff?

Refining Void keys to increase odds of getting rare rewards

Used in the now retired Dojo Solar rail function

Gaining original access to the Necralisk on Deimos

Securing a large supply of Kuva for the Grineer queens

His formidible performance in crushing the insubordinatio of Saturn

At the personal recommendation of Councilor Vey Hek

For discovering valuable artifacts of Orokin antiquity