Alchemy

Using an unguent, he sealed the fragments...then made you breathe a healing vapour.
DG, UK MMPB, p.346

Alchemies that slowed ageing...Six, seven centuries for each citizen. The ritual killed them, yet the alchemies remained potent.
DG, UK MMPB, p.515

(Felisin) reached trembling hands down, slipped them into the cool water. The sensation rushed through her like ecstacy...Heboric: 'Residue of alchemies...There will be...benefits to drinking this nectar.
DG, UK MMPB, p.518