A rare Eidolon gem, created from the fossilized blood of an ancient Sentient.

—In-Game Description

Sentirum is a gem acquired through mining in the Plains of Eidolon.

It can be refined to make Radian Sentirum or traded for Ostron faction standing at Old Man Suumbaat for ReputationBlackx64400 each.

The Advanced Nosam Cutter or Sunpoint Plasma Drill is required to mine this gem. This gem has a 15-30% chance to drop from blue mining nodes, depending on the quality of the cut.


  • 1x Sentirum is required to achieve Kin with the Ostrons.
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