Avoid damage from long falls, mage only
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With blink, it is possible to avoid damage from long falls (instead of
going and collecting/buying those damn light feathers) if, just before
you land (you need to time it just right) you hit blink. You will
either jump back up a little bit and hit the ground for very little
damage, or will simply blink ahead of where you were going to land
taking no damage. If you didn't wait long enough, you will blink back
to the top of where you fell. This can also be nice during chases with
other people. run to the edge of a cliff, jump off, and immediately
blink (after stopping pushing forward), so you blink right to the top
of the cliff again, while the other plummets to its death.