For Block, one-handed/two-handed, spells, and archery. Buy a horse, set the level of gameplay to master, slice away, burn, or bash with a shield, Before the horse dies, rest for an hour to restore it's hp, rinse and repeat. For sneaking , go to the High Hrothgar. Find the monk meditating/praying in the hall, hide in the shadows come up on him and sneak attack him. Wait for him to reset (He sits back down) and.. rinse and repeat. If you Attack him without killing him, repeatedly, He'll attack you and you'll permanently be made into a Popsicle by his non stop ice shout. (This can also be done to other quest specific NPC's, Mercer, etc.) For