Blighted overload (3)

High alchemy turns Blighted overload (3) into 30 gp. Buying one at 8,175 gp (its guide price, as it has not traded today) and casting with a nature rune at 138 gp costs 8,313 gp. That is a loss of 8,283 gp per cast at its guide price, so it is not worth alching for profit right now.