Every Soul Orb stack you detonate increases your Movement Speed by 3% for 4s, up to a maximum of 15%.
Level 3
Sorceress
Weapon
Increase your Ultimate charge rate by 35%.
Level 5
Veil
Shadow Travel
Reduce the cast time of Shadow Travel by 10%.
Level 1
Dark Whisper
Shadow Travel
Increase your Movement Speed by 8% while Shadow Travel is active.
Level 1
Revenant
Armor
Increase your maximum Health by 250.
Level 5
Agony
Restore Soul
For each stack of Soul Orb detonated by Rend Soul, your next Restore Soul ignores 5% of Antihealing (excluding Healing disable effects) up to 25% (5 stacks) for up to 10s.