Here is the full list of all 98 A Valley Without Wind achievements.
Be present at the successful completion of 500 missions.
Build a settlement up to 30 bonus structures.
Collect a Legendary Acid Gills enchant.
Collect a Legendary Air Slash enchant.
Collect a Legendary Powerslide enchant.
Collect a Legendary Triple Jump enchant.
Collect a Legendary Niche Air enchant.
Collect a Legendary Air Power enchant.
Collect a Legendary Overload enchant.
Collect a Legendary Entropy Power enchant.
Build a settlement up to 20 bonus structures.
Collect a Legendary Stone Legs enchant.
Be present at the successful completion of 300 missions.
Be present at the successful completion of 10 Boss Delve missions.
Be present at the death of 10000 monsters.
Be present at the successful completion of 10 Battleground missions.
Collect a Legendary enchant.
Collect a Legendary Resilient Form enchant.
Be present at the successful completion of 10 Boss Gang missions.
Collect an Epic enchant.
Be present at the successful completion of 10 Fix The Anachronisms missions.
Be present at the successful completion of 10 Umbra Vortex missions.
Be present at the successful completion of 10 Freefall missions.
Be present at the successful completion of 10 Stealth Assassination missions.
Be present at the successful completion of 10 Supply Depot Meteor Storm missions.
Be present at the successful completion of 10 Journey To Perfection missions.
Be present at the death of three overlords.
Be present at the death of two overlords.
Be present at the death of five Lieutenants.
Be present at the successful completion of 100 missions.
Be present at the successful completion of 10 Build Wind Shelter missions.
Die 5 times.
Be present at the successful completion of 10 Lava Escape missions. You DO realize that if you don't want to die, YOU STAY OUT OF THE VOLCANO, right? RPG characters never learn...
Be present at the successful completion of 10 Boss Tower missions.
Be present at the death of an overlord.
Be present at the successful completion of 10 Rescue Survivor missions.
Be present at the successful completion of a Journey To Perfection (underground) mission.
Build a settlement up to 10 bonus structures.
Be present at the death of three Lieutenants.
Be present at the successful completion of 50 missions.
Be present at the successful completion of a Journey To Perfection (surface) mission.
Be present at the successful completion of a Fix The Anachronisms (interior) mission.
Be present at the successful completion of a Lava Escape (interior) mission.
Be present at the successful completion of a Supply Depot Meteor Storm mission.
Be present at the death of 100 minibosses. Note: there are also microbosses that look like normal monsters; they don't count for this.
Die.
Be present at the successful completion of a Boss Gang (underground) mission.
Be present at the successful completion of 30 missions.
Be present at the successful completion of a Stealth Assassination (interior) mission.
Be present at the successful completion of a Rescue Survivor (interior) mission.
Be present at the successful completion of a Lava Escape (underground) mission.
Be present at the successful completion of a Journey To Perfection (interior) mission.
Be present at the successful completion of a Freefall (interior) mission.
Craft a tier 5 spellgem.
Be present at the successful completion of a Boss Gang (interior) mission.
Be present at the death of 1000 monsters.
Craft a tier 4 spellgem.
Collect a Rare enchant.
Be present at the death of a Lieutenant.
Be present at the successful completion of an Umbra Vortex mission.
Be present at the successful completion of a Build Wind Shelter mission.
Be present at the successful completion of a mission created by a Guardian Power.
Use a "strategic" guardian power (one that targets a region on the world map, like Summon Wind Shelter, Ocean Buoy, Seek Survivors, etc).
Craft a tier 3 spellgem.
Be present at the successful completion of 10 missions.
Be present at the successful completion of a Freefall (underground) mission.
Collect an Uncommon enchant.
Be present at the successful completion of a Stealth Assassination (underground) mission.
Be present at the successful completion of a Battleground mission.
Be present at the successful completion of a Fix The Anachronisms (underground) mission.
Be present at the successful completion of a Rescue Survivor (underground) mission.
Use a "building" guardian power (one that adds a structure to a settlement).
Be present at the successful completion of a Boss Tower mission.
Be present at the successful completion of a secret mission.
Be present at the death of ten minibosses. Note: there are also microbosses that look like normal monsters; they don't count for this.
Be present at the successful completion of a Boss Delve mission.
Be present at the successful completion of a mission.
Be present at the death of 100 monsters.
Visit A Settlement.
Be present at the death of a miniboss. Note: there are also microbosses that look like normal monsters; they don't count for this.
Craft a tier 2 spellgem.
Craft a tier 1 spellgem.
Be present at the death of a monster.
Die 25 times.
Die 50 times.
Die 100 times.
Collect a Legendary Double Jump enchant.
Collect a Legendary Featherweight enchant.
Collect a Legendary Energetic Mind enchant.
Collect a Legendary Cloak Of Shadows enchant.
Collect a Legendary Power Legs enchant.
Collect a Legendary Risktaker enchant.
Collect a Legendary Boomstick enchant.
Collect a Legendary Water Power enchant.
Collect a Legendary Diverse Wrath enchant.
Collect a Legendary Earth Power enchant.
Collect a Legendary Fire Power enchant.
Collect a Legendary Light Power enchant.