- Xbox One
Chapter 3: Ghosts
At the start of the chapter, locate the three sets of skulls which arranged in circles hidden along the beach before the chain tower. Have Marius interact with them and they will disappear. After all are collected, a group of ghosts will rush past Marius later in the chapter.
Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points.
Head Executioner (10 points): Perform 100 Executions in Any Game Mode.
I Will Avenge You, Father (30 points): Complete S.P.Q.R. On Any Difficulty.
Roman Tourist (10 points): Collect Your First Vista.
Letters From The Front (10 points): Collect One Scroll.
Comboing My Way Through (20 points): Defeat 10 Enemies In A Row Without Sustaining Any Damage.
I Have A Story To Tell (30 points): Complete The Beginning On Any Difficulty.
Time To Fly (5 points): Perform Your First Environmental Execution.
Give Caeser What Is His (10 points): Purchase And Use An Upgrade In Combat.
First Blood (5 points): Perform Your First Combat Execution.
Double-Down (10 points): Perform 50 Double Executions in Any Game Mode.
Photo Album (15 points): Collect All The Vistas.
Ancient Scholar (15 points): Collect All The Scrolls.
Colosseum Recruit (20 points): Complete Your First Multiplayer Campaign.
Saving Private Marius (30 points): Complete Trial By Fire On Any Difficulty.
Trouble In Sherwood Forest (30 points): Complete The King On Any Difficulty.
Heart of Darkness (30 points): Complete Edge Of The World On Any Difficulty.
Siege Me If You Can (30 points): Complete Pax Romanum On Any Difficulty.
Ave, Caesar (30 points): Complete The Wrath Of Nemesis On Any Difficulty.
Settling Old Debts (30 points): Complete The Son Of Rome On Any Difficulty.
Veni, Vidi, Vici (30 points): Complete The Game on Any Difficulty.
Something I Found On The Way To The Forum (10 points): Collect One Chronicle.
Finders Keepers (15 points): Collect All The Chronicles.
I Have A Story To Tell (Legendary) (5 points): Complete The Beginning On Legendary Difficulty.
Ave, Caesar (Legendary) (5 points): Complete The Wrath of Nemesis On Legendary Difficulty.
Grace Of The Gods (10 points): Unlock The First Reward Of The Gods.
Champion Of The Gods (20 points): Unlock All The Rewards Of The Gods.
Colosseum Warrior (20 points): Fight On Each Multiplayer Arena Environment.
Been There, Done That (5 points): Replay Any Single Player Level.
Avid Reader (10 points): Complete A Comic Book By Collecting 6 Chronicles In A Level.
Only The Finest (5 points): Equip Your First Rare Item in Multiplayer.
Son Of Vulcan (10 points): Equip Your First Tier 5 Item In Multiplayer.
It's Just A Flesh Wound (10 points): Revive Another Player 3 Times.
Marketer (20 points): Get In Combat With All Executions And Upgrades Purchased.
I Will Avenge You, Father (Legendary) (5 points): Complete S.P.Q.R. On Legendary Difficulty.
Saving Private Marius (Legendary) (5 points): Complete Trial By Fire On Legendary Difficulty.
Trouble In Sherwood Forest (Legendary) (5 points): Complete The King On Legendary Difficulty.
Heart of Darkness (Legendary) (5 points): Complete Edge Of The World Legendary Any Difficulty.
Siege Me If You Can (Legendary) (5 points): Complete Pax Romanum On Legendary Difficulty.
Settling Old Debts (Legendary) (5 points): Complete The Son Of Rome On Legendary Difficulty.
Bad To The Bone (30 points): Complete The Game On Centurion Difficulty.
My Empire Of Dirt (50 points): Complete The Game On Soldier Difficulty.
Colosseum Veteran (20 points): Complete 20 Multiplayer Campaigns.
Simply The Best (20 points): Achieve Rank 100 in Multiplayer.
Say Hello To My Little Friend! (5 points): Equip Your First Tier 2 Item in Multiplayer.
Brother In Arms (10 points): Perform A Co-op Execution.
Bloody Centurion (15 points): Defeat 100 Enemies in Multiplayer.
Monstrum Combo (20 points): Defeat 25 Enemies In A Row Without Sustaining Damage.
Additionally there are eleven secret achievements.
To Protect And To Serve (15 points): Meet Nero.
Forever Lost (15 points): Find Your Mother And Sister.
Who's That Girl? (30 points): Meet Boudica.
Inner Demons (30 points): Find Out What Really Happened To Your Parents.
From The Dead (30 points): Become The Righteous Hand Of Vengeance.
Not My Type After All (30 points): Defeat Boudica.
The Bigger They Are … (30 points): Defeat Glott.
Never Give Up, Never Surrender (30 points): Defeat Commodus.
Medium Rare (5 points): Use An Execution To Set Fire To An Enemy.
There's No Such Thing As Luck (10 points): Kill An Enemy By Perfectly Deflecting An Arrow.
Step Right This Way! (10 points): Use A Trap To Kill An Enemy.
Achievements: Morituri DLC
A Walk in the Park (50 points) - Perform 30 Environmental Executions in Forbidden Forest.
Master of the Colosseum (50 points) - Achieve Rank 200 in Multiplayer.
Mmmm, Beacon (50 points) - Complete Beacon.
Trueblood (50 points) - Perform 1000 Executions in Multiplayer.
You Shall Put No Other Gods Before Me (50 points) - Complete False Gods.