Ssynthi

Level: 24–25
Race and class: INVISIBLE MAN · WIZ + ENC M
Position: −60, 373
Zone: Castle Mistmoore
Notes: Quest giver for Solusek's Flower.

Castle Mistmoore · /loc −60, 373
North is up · floor from the game’s own mesh

What it drops

Robe of the KeeperChest · quest item · AC 8 · INT +2
Patch of ShadowComponent

Observed drops TIER M

Robe of the KeeperRecorded at D1
Shadowed BookRecorded at D1
Eye of ShadowRecorded at D1
Mask of ShadowRecorded at D1

Observed, not a rate — no kill count sits behind this, and the tiers are those recorded rather than the only ones that drop it. What a log can tell you.

From the Castle Mistmoore survey.