Buy first item and 2 health pots and run to blue buff! there you plant 3 Jacks behind the golem.
then go the wolfes and plant ther 2. Go back to blue buff and have 1 Jack ready. 2 seconds after your 3 Jacks have attacked the golem plant your last behind him and smite, if he has 600hp left. After you have done this run tho wulfes and throw your knife on the big one. Your 2 Jacks, you´ve planted will protect you and plant one behind them, after they have attacked. Now you finished this side. Went to the ghosts and plant one behind the big one! atack him before your jack confuses him and take one health pot. Now 2 of the ghosts should be dead plant one more and finish!