The character progression system in Assassin's Creed Odyssey is based on a combination of experience points (XP), levels, and skill points. As players complete quests, defeat enemies, and explore the game world, they earn XP, which contributes to their character's level. Leveling up allows players to spend skill points on upgrading their abilities, which are organized into several categories, including combat, stealth, and exploration.

: Provides the Adrestia with unlimited health and rower stamina for continuous ramming.