Mechanics of Path of Exile 13 game mechanics that Path of Exile is known for — catalogued and cross-linked in the Game Mechanics Atlas. Combat & ActionCritical hitsDamage over timeEconomy & TradingPlayer tradingLoot & ItemsAffixes/modifiersLoot tables/tiersSockets/gemsUnique/named itemsMagic & Ability SystemsPassive abilitiesSummons/petsProgression SystemsSkill points allocationSkill treesRandomness & ProbabilityHit chance percentagesSquad & Unit ManagementMulti-classing