Ruk's Claw is a scannable plant added in Update: The Silver Grove (2016-08-19) update. It is only found on the Grineer Settlement tileset, and is thus found only on Mars. It can be found most commonly under damp, shaded areas free from the scorching sun, though some specimens can be seen basking in the sunlight.
Scanning one awards at least 10 Affinity for Cephalon Simaris and one Ruk's Claw item, 6 of which are needed to craft the Twilight Apothic, which is required to progress The Silver Grove quest. It has no uses beyond that.
Trivia
- This is the only plant that is referenced or coincidentally named after a preexisting boss in Warframe, namely General Sargas Ruk. Whether the plant was named after Sargas or vice versa is unknown.
