Plinth
Holds one thing. The central plinth goes under the Heart: the thing on it is what changes. Side plinths stand around it, up to 16 within eight blocks: their things flow into it.
kindblockcreative tabFluxiongroupConfluence
Currents
Strata3
Prism1What the Loupe reads: 4 in all. The game works them out from its recipes. Wheel of Currents
In the Codex
Entry 
Confluence — Pouring currents into a thing on an altar — if you can hold it steady. Discover Halo and Weave: Halo flows in current shards, Weave in quickdust, fluxsteel and enchanted books.
Device
Device group: Confluence.
