Weapon challenges:
Collect all of the Titan Tablets, Priest's Amulets, and Emperor's Coins. Deposit
all of them in the appropriate pillar to make a giant stone tablet appear in the
middle of Elysiam. Activate the tablet to start the weapon challenges.
Annihilation weapon:
Win Axe Challenge 4 in the weapon challenges.
Invictus Gladius weapon:
Win Sword Challenge 4 in the weapon challenges.
Olympus Cleavers:
Win Gauntlet Challenge 4 in the weapon challenges.
