Here is the full list of all 29 The Wild at Heart achievements.
Purchase every Warden's Way upgrade.
Complete every beastie bounty from Toothpicks.
Completely fill out the Grove Trove, finding every last missing treasure.
Safely return all of Litterbox's cats to the Grove.
Purchase all health upgrades.
Purchase every Gustbuster upgrade.
Find all the Lost Journal Pages missing from "Book".
Defeat The Never.
Open the way to Umbral Lethea, using the power of the Greenshield Artifacts.
Purchase every Bag Slot upgrade.
Purchase every Spriteling Cap upgrade.
Learn about every area of the Deep Woods from Toothpicks.
Listen to all the juicy gossip that the Twins have to dish.
Befriend the 5 main Spriteling types.
Break a crystal with Barblings without throwing them.
Fully reveal the maps for every known area of the Deep Woods.
Get 5 or more Spritelings frozen in ice simultaneously.
Hear all of Scrap Heap's tips and tricks.
Make a trade with Rubbish.
Craft every type of Meal.
Recall all wayward Greenshields to The Grove, uncovering the details of their missions.
Craft every type of Tonic.
Take a moment of thoughtful meditation by the waterfall in Heartlands.
Stay up through the night until daybreak, outside of The Grove.
Build your first camp.
Kick an item directly into the Stash Box.
Reach The Grove, the home of the Greenshields.
Craft your first item.
Successfully run away from home.