Fire / Cold / Lightning / Chaos Path of Exile Currency resistances -- elemental resistances reduce damage whenever you are assaulted with elemental damage taken. A natural cap is 75% of every resistance but it may be raised by equipped items, auras, elemental flasks or specific nodes on the passive skill tree. Whenever you're approaching end-game (at LVL 60-65), be sure to have all of resistances except insanity capped at 75% because with uncapped resistances you will die often. If you want, you can invest in Chaos immunity, but from my experience, even having -60% Chaos resistance is not that deadly.

Chance to obstruct -- this stat tells us how likely we are going to block monster strikes by utilizing shield, staff or double handed weapons. If you block the attack, you take no harm from the strike that is blocked. Particular unique items or nodes on passive skill tree makes your block opportunity apply to spells too, therefore, enabling you to block not only attacks but spells as well. The cap for an opportunity to block spells and attacks is 75%. Yet another thing you should keep in mind -- when you block the strike, the game calculates whether or not the assault you blocked could have stunned you, whether it would have, obstructing animation is played and you are shocked for an instant. The stun duration will be reduced by stats like stun and block healing and increased block healing .

Chance to stop attacks/spell damage -- this stat reveals your chance to dodge spell or attack. When damage is dodged by you, you avoid it. It is stat from evasion and they can PoE Currency Buy both used together effectively.