When you take damage over 30% of your Health over 3 seconds, it grants [(50-750) + (20%) Spell Power] for 5 sec. (Cooldown 30 seconds).
Modifications:
upgraded:While shielded, gain an additional 10% Magic Resist.overclocked:While shielded, gain an additional 10% Magic Resist.
Now activates from damage over 25% of player's Health.
If you know the secret, you will find a safe path.