Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Successful Experiment	Kill three enemies using a single basic physics ability.
An Ominous Last Speech	Defeat Gharzan Crunchybones, the world-renowned Kazoo player and amateur ominous last speech maker.
Catch!	Push a potion into a unit (friendly or enemy).
Chain Reaction	Cause a physics chain reaction involving at least 6 units or objects, using a single basic physics ability.
Connecting People	Stun or kill 4 enemies by pushing them into each other using a single basic physics ability.
Eco-unfriendly	Knock down a tree.
Feng Shui	Use lift on an enemy\object, then push it into something.
Forgive and Forget	Save an unappreciative ally.
Happily Ever After (Classic)	Finish Act III on Classic or higher
Happily Ever After (Legendary)	Finish Act III on Legendary
Happily Ever After (Normal)	Finish Act III on Normal or higher
Hunting Down	Trigger Overwatch or Attack of Opportunity twice using a single Frighten.
Involuntary Intimacy	Stun or kill 2 enemies by pushing them into each other using a single basic physics ability.
Multidisciplinary	Have a hero with 3 cross-class skills
Not Very Watchful	Cancel an enemy Overwatch.
Physics 101 - Kinematics	Push\Pull 10 objects or units using physics abilities.
Physics 102 - Pressure	Kill 10 enemies by knocking down objects on them using physics abilities.
Physics 103 - Reactions	Trigger Attack of Opportunity during your turn using Lift or Physics 10 times.
Post Hero Slaying Pig Pie and Hot Coco	Finish Act I
Practice Shooter	Trigger Overwatch by using lift on an enemy behind full cover.
Simply Stunning	Stun all enemies (minimum 4) in a single turn.
Sinful Knapsacking	Defealt Galigarn, an outspoken opponent of mattresses.
Stun-lock	Stun an enemy for three turns consecutively.
That's brilliant! ...But terrible.	Finish Act II
Tough Love	Heal an enemy by pushing a healing urn into it.
Worldly	Win a Skirmish with every faction.
Zero to Hero	Level up a unit to max level.