https://gamesartist.co.uk/magic-potion-bottles/
3D Artist Marvin Tischler has created these Liquid Magic Potions in Unreal Engine 5. In this article, he details the modelling process, high and low poly techniques, realistic texturing, smart materials, hand-painted details, fake liquid system tech, lighting and rendering.
https://www.artstation.com/3denvironmentartist
https://www.artstation.com/artwork/Ke8JNX