Shadowkin

Enter the boss arena for The Slime Queen with less than 2:00 on the timer.

Purchase Mammon's Contract from the Shopkeeper so many times that it stops giving Coins, but purchase it again anyway.

Clear the first 3 Zones while only ever leveling up your starting skill.

Defeat Frost Phoenix without taking any damage from the boss fight (you are allowed to take damage leading up to this boss fight). Barrier is ignored. If you get hit while Barrier is active, this still fails the achievement.

Visit the Healer 3 times in your conquest, but never actually open the Healer shop.

Lost 1,000 Coins or more at a time by purchasing Health is Wealth from the Healer NPC.

Have at least 35 level ups awaiting to be used.

Clear the first 3 Zones while only ever picking Neutral skills.

Reach Level 50

Encounter the Hero in the very first Area.

Purchase 35 items the Shopkeeper (not the Healer) in a single conquest.

Have 5 Haste stacks active on yourself or your ally at the same time

Take every Difficult path at the start of every Zone in a single conquest. This is the right-side path when first entering a new Zone. You may choose either path beyond that.

Defeat Stoneshaper Titan without taking any damage from the boss fight (you are allowed to take damage leading up to this boss fight).

Singleplayer only: Conquer the first 3 Zones while keeping your Ally set to Follow Player.

Have 16 Frost Sculpts active at the same time.

Conquer Jellywood Glade without ever getting hit. Barrier is ignored. If you get hit while Barrier is active, this still fails the achievement.

Conquer Prismatic Dreamshore

Defeat a total of 12 Heroes

Conquer Nomad Kingdom

Defeat The Slime Queen without taking any damage from the boss fight (you are allowed to take damage leading up to this boss fight). Barrier is ignored. If you get hit while Barrier is active, this still fails the achievement.

Evade a total of 30 times.

At level 3, Kinetic Marble picks up enemies it rolls across. Pick up at least 10 enemies with 1 Kinetic Marble.

Singleplayer only: Conquer all Areas leading up to the Boss in Jellywood Glade without moving Player 1 and without Player 1 dying. Your Ally is allowed to move freely. You are allowed to move in Area 0 and whenever an Area is completed. You are also allowed to move for the first 2 seconds inside a new Area (to give a buffer when first entering the Area where you may move accidentally).

Conquer Winter Skyscape

Apply at least 5 stacks of Root to 1 enemy.

Conquer Gemstone Atrium

Critical Hit a total of 200 times.

Defeat any Boss while one of your characters has 10 HP or less.

Conquer Jellywood Glade