The former can help improve the witcher's overall health and resistances, while the latter can improve the blades by adding a
number of status effects to sword attacks, like poison, increased damage or more.
The main level can be raised to increase attack power and health and other statuses can be raised to give status enhancements to weapons and reduce the
possibility of a status effect affecting your character along with other enhancements.
Each playable character can also be useful for wielding certain
types of status effects against enemies, depending on the weapons they equip.
Mousing over the status effect icons in the enemy readout should display the
name of the status effect, what it does, and how long it will last.
One of the best things about Gunner weapons — Bows, Light Bowguns and Heavy Bowguns — is the
range of status effects they can inflict using their special coatings / ammunition.