Natural Ally
From Wildermyth Wiki
A passive Mystic ability. Allies may wall with objects that the Mystic is interfused with. Further actions include Treecall (instantly summon an ally to a space next to an interfused tree), Total Treecall (instantly summon the mystic or an ally to a space next to an interfused tree - the summoned figure gains the cloak of Grayplane) and Rock Shield (create a protective shell of stones around the mystic or an ally, granting +3 temporary HP until the next turn).