Project and Slow Time have a 50/100% chance to grant Harnessed Shadows, which makes the next Telekinetic Throw used uninterruptible and immune to pushback. In addition, each stack increases the damage dealt by your next Telekinetic Throw by 25%. Stacks up to 3 times. At 3 stacks, dealing damage with Telekinetic Throw heals you for 2% of your maximum health.