User blog comment:ClariS/Nalis, the Scarlet Cardinal/@comment-5038450-20121129121216/@comment-5038450-20121130035104

Why not something like....

Nalis dashes towards the cursor, gaining a spell shield for 1.25 seconds.

If she blocks a spell, her next auto attack deals bonus damage and reduces the target's MR for a large amount.

Heck, I guess you could keep the CD short if the dash is short enough.