In this pack you can find many different cave formations. This pack includes many stalactites and stalagmites of different configurations, as well as various fantasy cave plants and mushrooms. Assets pack include more than 150 different assets.
Support, URP and HDRP shaders are here:
Triangle counts from 8 to 14500 for different assets, more details you may research in the scetchfab preview.
Water shader and particles not included.