Stats for Immortal Unchained are listed here along with their effects. Stats are affected by your Attributes, Armor Shrines and even Weapons.
Stats
Health
The amount of damage you can take before dying.
Stamina
The amount you can dodge, run and attack before becoming exhausted.
Energy
The amount you can use Power Attacks before needing to use an Obelisk.
Stamina Recovery
The rate your Stamina returns when not attacking, dodging or running.
Reload Bonus
How much faster you reload your ranged weapons.
Dodge Speed
How quickly you can dodge attacks.
Flinching Reduction
How much less you "flinch" when struck while attacking (affects you aim).
Critical Bonus
How much more damage you deal when dealing a Critical Hit.
Normal Weapon Scaling
Increases the damage your normal Weapons deal.
Special Weapon Scaling
Increases the damage your Special Weapons deal.
Melee Weapon Scaling
Increases the damage your Melee Weapons deal.
Healing Bonus
Increases the healing you take from Medpacks.
Found a respec core (a one time use to reset your character) does this mean I get all the bits I have spent to change my character to a different level
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