Discover the Assassin's Tomb inside the Torre Grossa.

Completed "Blood Ties"

Completed "Escape!"

Got the Pip-Boy 3000

Rip apart 1 Olympus Sentry

Gut 3 Centaur Generals

Kill the Poseidon Princess

Kill Hermes and acquire his Boots

Sever Gaia’s hand

Cover Kratos in 500 buckets of blood by killing the enemies

Upgrade any weapon to the next level

Kill Poseidon

Complete DNA Sequence 4.