Menhir

Menhirs are large stones, quarried into pillar-like or conical shapes, marking Sites of Significance (burials, territories, increments of distance, or important mythical locations, among others), and raised upright on flat ground. They vary in size from 'larger than two elephants' to 'small enough to carry in the human hand'; but most are about twice human size, or less. They appear on plenty of worlds and are associated with pre-industrial Bronze-Age cultures, in almost any climate. Though they are mostly markers (as said before), rumors persist that some peoples used menhirs as weapons, as by throwing them at opposing soldiers. Because most menhirs are too heavy for humans to lift, this rumor is associated only with the Elixirs of Power.