Originally posted by blueeyes75:

lol i have had similar happen to me im in my house building and i get the forest is alive or moving and grey guys come but my mission is the troll right now and what tool do i need to chop the too hard trees and the rocks

Ideally you need bronze, which is at the end of the first complex progression chain. Or you can use the slowness of trolls to make them mine and lumberjack for you. Also with some effort you can turn a second tier tree into lumber by repeatedly dropping other trees on it.