Taliesin revealed on Talks Machina that the pink on Caduceus's armor isn't bouquets but a certain species of lichen.Caduceus Forged Blight around the ceiling where the brink crest were, causing it (and its tendrils) to blacken and pull inward, releasing the crest. He then used Plane Shift to mail the edge crest into the Elemental Plane of Fire.Firb