Increase the range of Restore Soul by 300% and reduce the time between Healing ticks by 17%.
Heal for 70-350 every 1s while channeling Restore Soul.
Fade to Black
Reduce the Cooldown of Shadow Travel by 0.8-4s after activating Restore Soul.
Reduce the cast time of Shadow Travel by 10-50%.
Regenerate 2-10 Ammo every 1s while channeling Restore Soul.
Increase your Movement Speed by 8-40% while Shadow Travel is active.
You basically want to mitigate deaths with Seris while healing. Spirit Leech is a good filler that makes it so you don't need to reload after you heal, which allows more damage inbetween Mortal Reach.