Gameplay Walkthrough...

Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Abyssal Eviction	Kill an enemy by pushing them into the abyss with Shield Bash.
Aerial Annihilation	Kill an enemy with a headshot after a wall jump.
Aggressive Reconnaissance	Complete the Adjutant quest.
Ambersmith	Gather all Ambers.
Arsenal Absolute	Unlock all weapons and transmutations.
Behemoth	Defeat Nepthis Superioris.
Birdwatcher	Randez Vous with the Shrike.
Bladesmith	Upgrade a single melee weapon to maximum.
Blood and Wine	Complete Curious Case of Seamus Diggory quest.
Coup de Grâce	Defeat the Orphan.
Fight Fire With Fire	Ignite an enemy while you are also ignited.
Flame Feast	Set four enemies on fire with a single flamethrower use.
Frenzied Flame	Ignite the bonfire in the castle.
God's Trigger	Land ten consecutive headshots or weak point hits without missing.
Gun of Glory	Upgrade a single firearm to maximum.
Hand in the Jar	Complete the Deserter quest.
Hoodsnatcher	Decapitate three enemies with a single Claymore attack.
In His Own Image	Defeat The Entity.
In the Nick of Time	Interact with a lantern while below 20% health and no flasks remaining.
Jack-knife	Deal damage with every melee weapon, firearm, and transmutation without dying.
Lament of The Limbs	Defeat Experiment 83.
Mind the Gap	Die by falling into the abyss.
My Dying Bride	Defeat the Bride.
Nephtis Superioris	Obtain all achievements.
Not a Cat Person	Defeat the Sphinx.
Quixotry	Defeat the Slaughtermill.
Rookie Mistake	Attempt to use Ferro Flask with none remaining.
Scattershot	Kill five enemies with a single Blunderbuss shot.
Single Stroke	Shoot off a Risen Grenadier's bucket.
Statue of Insanity	Fully lock Sergeant Gaspard 'Cannonhand' Dubois in Stasis.
Symphony of Steel	Perform ten parries without taking damage.
The Bitter Cure	Complete the Laudanum quest.
The Book of Beasts	Complete the Monster Hunt quest.
Torn Banner	Kill General Lothaire, the Eagle-Bearer.
Transmutation Artifex	Upgrade a single Transmutation to maximum.
True Oath	Defeat the Justicar Aurelius.
Ultima Ratio Regum	Kill Sergeant Gaspard 'Cannonhand' Dubois.
We Wear the Same Colors	Defeat all Eternal Guardists.
Windhover	Kill three enemies with pistol while Airborne Aiming.