Immunity is now +125 All Defenses vs. the attack type (Poison Immunity = +125 All Defenses vs. Poison Attacks)

This makes it so that with enough accuracy, an attack still has a chance to hit an immune target.  The idea is that an attack that is powerful enough or lucky enough should overcome whatever reason the target is immune.  Unfortunately, immunity to types of physical damage are not changed, due to coding limitations.

Not Changed
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Purge_of_Toxins_SE_KeywordImmunity - this ability still gives Immunity
Anything that immunizes Push
Anything that immunizes disengagement
Anything involving injuries
Anything that makes immune to concentration
Anything to ground
Anything that is an instant immunity, to purge effects
Special stunned immunities (less than 5 exist)
Affliction Resistances
Immunity to physical damage types (pierce, slash, etc. are usually 999 Armor rating, not actually immunities)