Golem and metal skeletons:
Lure the golem into another room, then kill it. Then, lure the metal skeletons one at a time into a room and ambush them. To lure them, hit them and then run to the room where they will be ambushed. You can also lure them away to let other people heal.
How to defeat giant black wolves:
Use the smash skill on the wolf, then just keep hitting it. When it is halfway down, quickly get a bow and shoot from a distance. Then, finish it off. Have two swords equipped for better results.