Thought I’d make a little topic here to help any fellow brewers out.
Condensed Sand [Desert T4+T5] - Found on sandy shorelines in the Darksea.
Stormsalt [Tide T4+T5] - Found when lightning strikes a shoreline in the Darksea.
Tears of Gaia [Melting T4+T5] - Item bags in the Darksea. Could have a drop source that I’m unaware of.
Saint Lily’s Flower [Healing T4+T5] - Found on any wilderness island that has grass in the Darksea.
Bloodstone [Bleeding T4+T5] - Found by breaking rocks in the Darksea.
Black Shard [Insanity T1-T3] - Seems to be able to spawn on any island in the Darksea.
Dark Sea Diamond [Insanity T4+T5] - Item bags in the Darksea. Could have a drop source that I’m unaware of.
Everice [Frost T4+T5] - Found by breaking icicle formations on snowy islands in the Darksea.
Prismatic Geode [Mystery T4+T5] - Found in caves within the Darksea.
Golden Petal [Warding T1-T3] - Found in groups of four as flower petals, on any wilderness island that has grass in the Darksea.
Narwhal Horn [Warding T4+T5] - Found by fishing in the insanity ranges of the Darksea.
Liquid Starlight [Burning T4+T5] - Found in pools of liquid starlight, which can appear on any wilderness island in the Darksea occasionally.
Life Remnant [Love T4+T5] - Found rarely inside the ribcages of skeletons within the Darksea.
Thornflower [Harming T4+T5] - Found commonly on most wilderness islands within the Darksea.
Tartarus Tears [Corroding T4+T5] - Can spawn from Magma rain that occurs after a volcanic eruption within the Darksea.
Prometheus’s Acrimony [Interchange] - I’ve heard reports that it can spawn on Islands within the Far Reaches very rarely, but have not confirmed myself.