Sticky

"'A spirit that grows on trees. Acorns, walnuts, and hazelnuts are all part of its family.'"Stick, also known as Sticky, are Tree element Seirei that can be recruited by paying them Pinecones. Some can be recruited just for having picked up a certain amount of pinecones. Stick can be selected as the starter Hero/Heroine element for a beginner difficulty. Pistachio Maplewood also uses the tree seirei. Its special power lowers enemy spirit.

They appear as tree branches in-game.
 * Beats: Growl
 * Fears: Buzz, Nirva