Empty Vial is an item added by Xeno's Reliquary that can be used to make a Vial of Ordinary Water by right clicking on a water source, which can be used to make Condensed Splash Serum and/or Condensed Solvent for use in condensed potions or splash vials.
Right-clicking on the source will not deplete the source, even after a stack (16) of vials.
The empty vial is a required ingredient in crafting the Xeno's Reliquary mod potions which include:
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