Blind

Effect
Increasing Blind level raises the focus cost, but lowers the fizzle chance.

Sun Attunement affects the damage avoidance debuff and dexterity debuff.

Stacking and charging glyphs improve the focus cost, damage avoidance debuff and duration, dexterity debuff and duration, and weapon critical chance debuff and duration.

External Reference

 * Magic, Combat, and Crafting Skills on the Shroud of the Avatar Forums