How is Blind affected by Unshakable?

The tooltip for the Unshakable buff says:

Gains defiant when targeted by crowd control skills. Blind is 10% effective. Weakness and vulnerability last 50% less time.

What does "Blind is 10% effective" mean? Are skills that normally cause blind only 10% as likely to inflict the condition? Or do they inflict the condition normally, but the enemy with Unshakable only has a 10% chance to miss? If that's the case, is the blind condition still cleared even if they don't miss an attack?

As a Thief who enjoys using the pistol offhand, I feel like I should probably know how Blind works on Champion-type enemies. Thanks!

Solution 1:

The latter.

Blind normally reduces the chance of hitting by 100%.

When an enemy with the "Unshakable" buff is hit with the Blind condition, it reduces their chance of hitting by only 10%.

As far as I'm aware, the Blind condition will be cleared, even if they end up hitting.