Elvia Marni's Stone (Glish Swamp - Swamp Naga)

- Description: Elvia-obsessed Mad Scientist Marni's Stone. You can collect samples from monsters you killed. Once the stone is filled, you can exchange it through NPC Wacky Toshi. Target: Elvia Glish Swamp's Swamp Naga enemy x1,400 - Exchange List Shard of the Drained Night x1 Narc's Lightning x1 ※ Can be used from Lv. 61. ※ Samples can only be collected if you make the last hit.

- Additional use requirements are not yet decoded; this is not a complete eligibility check.