In Assassin's Creed Odyssey Orichalcum is a rare and valuable material used to help you purchase unique cosmetics and other valuable items.
Assassin's Creed Odyssey's best ending isn't garuanteed, in fact whether or not you'll achieve it comes down to your decisions and choices made along the way.
Tombs in Assassin's Creed Odyssey serve as underground dungeons. They contain Ancient Steles which, when found, will gift you with an extra Ability Point. So if you're looking to gain or enhance a given skill outside of levelling up, this is where you want to focus your efforts.
Assassin's Creed Odyssey's Kalydonian Boar is an early-game side-quest as part of The Daughters of Artemis quest line.
Money, referred to in Assassin's Creed Odyssey as Drachmae, is pretty important, particularly towards the earlier parts of the game when can earn it faster than other resources, and use it to buy them before you earn them regularly later on.
XP in Assassin's Creed Odyssey is pretty important, now that it's essentially a full-blown RPG, and as you'd expect it's the key to levelling up quickly as you progress through the game.
Assassin's Creed Odyssey is exactly that: a massive, whopping great journey through Ancient Greece.
Romance options are now a thing in Assassin's Creed Odyssey, marking the first time romanceable characters have been included in such depth in the Assassin's Creed series.
Ainigmata Ostraka are a type of collectible in Assassin's Creed Odyssey, and are very similar in practice to the Papyrus Puzzles from Assassin's Creed Origins. Each one contains a riddle on a stone tablet which, when solved, unlocks a new engraving.