- Dropped by Fire Wisps, Shadow Wisps and Progenitor of Shadow.
- Give to Gillian the Poacher for 7,500 experience and an Essence Flare:
- You give Gillian the Poacher Pulsating Wisp Heart.
- Gillian the Poacher tells you, "Ah a Pulsating Wisp heart! These are very powerful. I can make a very strong orb out of this."
- You've earned 7,500 experience.
- Gillian the Poacher gives you Essence Flare.
- Does not stack.