Gladiator: Sword of Vengeance

Annihilation - Clear Axe Challenge 4.

Beat Axe Challenge 4.

Collect all of the Special Item Collectables and place them in their required pillar to unlock certain special Challenges in the game.

Axe Extender Challenge 4 - Collect all Priest's Amulets
Gauntlet Extender Challenge 4 - Collect all Emperor's Coins
Sword Extender Challenge 4 - Collect all Titan Tablets
Sword, Axe, Gauntlet Challenge 4 (Choose your Ultimate Weapon) - Have All
Special Item Collectables collected

Beat Sword Challenge 4.