No missable achievements (plus 49 unknown)
Sign in with Steam or Xbox to track your progress, and:
Transform a Guardian into a Wolf.
Transform a Wind Rider into an Eagle.
Transform a Snarlclaw into a Bear.
Build 2 Bridges in one turn.
Transform a Waywalker into a Turtle.
Use 3 Eagles to attack in one turn.
Attack 3 times in a row with one Bear.
Spawn 100 new units.
Use 3 wolves in one turn.
Defeat Master Rickett.
Change the same Wind Rider into an Eagle twice in one turn.
Generate 120 Mana in one turn.
Capture 2 Relics in one turn.
Win the Highsommar Season Stone.
Build 4 Bridges in one turn.
Defeat Master Ninonell
Win the Aldenfalle Season Stone.
Finish an Online Game.
Start a new Online Game.
Destroy a piece of land with an Obstacle on it.
Destroyed 3 obstacles in one turn.
Win 1 Map Item.
Take 1st place in an Online Game.
Win the Wintermourne Season Stone.
Create 3 obstacles in one turn.
Rise to Wolf Rank in Online play.
Generate 20,000 lifetime Mana in Campaign and Online play.
Win the Deepwinter Season Stone.
Earn 50 Aura in a single Online Game.
Earn 20 Trisks in a single Online Game.
Finish 5 Online Games.
Win 3 Online Games.
Win the Beltaine Season Stone.
Start 5 new Online Games.
Earn 10 Trisks in a single Online Game.
Win the Midsommar Season Stone (and the game!)
Win 4 Map Items.
Win 10 Online Games.
Capture 4 Relics in one turn.
Win 20 Online Games.
Earn 250 Trisks in Online Play.
Rise to Eagle Rank in Online play.
Rise to Bear Rank in Online play.
Rise to Turtle Rank in Online play.