I'm not too fond of all the grinding; like throwing a bunch of rocks, strangling rodents, or laying on the ground to let those rodents smack you. They work for sure but requires work and that's no fun for me. My training program uses a little bit of grinding but still keeps me entertained. Using human hero btw.
1.Stats: Put all points into agility and strength. This is to increase your speed which is important.
Skills: Put all your points into armor, shield, and dodging. Also get novice in axe, spear, or sword.
2.Head straight for the nearest market place. You probably started with a lousy silver weapon but its actually worth a bit so sell it. If you have a shield better than copper sell that too.
3.Buy a wooden training weapon of your choice along with a cheap copper shield if you didn't have one already. Use what's left to buy copper armor so you can at least cover as much of yourself as you can in metal.
4.Wander the wilds around the marketplace hunting for badgers, gophers, birds, wolves, etc. butcher them with your copper dagger and sell the meat and fat for better gear at the nearby market place. These animals cant do anything but bruise you since your covered in metal but you can still kill them with your wooden training weapon. It will take you a while to kill them with that but it will improve your weapon and fighting skills. Just avoid big animals like crocs, hippos, elephants, and rhinos. You can actually get a lot of skill from fighting with those but if one kicks you your bones are broken.
5.Eventually you'll be proficient/talented in all your defense and offense skills plus will have a good set of armor. Buy a nice lethal weapon now, recruit some soldiers, and take your first mission. You will do a lot better than if you had attempted to take a mission being low skilled and armor less.
6.Always have the maximum amount of henchmen you can take. This will attract more ambushes to you which will increase your skills as you fight to survive. You will lose a lot of allies in those melees but your kill count and weapon skills will sky rocket if you fight those smart (hint: when your allies charge off in all directions, go in the direction where the majority are heading). Don't forget to keep visiting market places and upgrading your weapon/armor if you find anything.
7.Eventually you'll get sick of all those henchmen stealing your kills. Also, your defensive skills have probably not increased as fast as your offensive ones. Abandon your allies by taking a nap in the woods and immediately fast traveling when you wake up (since they're still unconscious). Travel near a hamlet/town and sleep all day in the wilds outside it. When its night wait for the boogeymen to show up and fight them off with your wooden training weapon. They will hit you but won't do much besides bruise you. However, if you let them surround you they will always get a lucky kick to the head. Run until they form a nice congo line for you and use charge to your advantage. Fight them until you start to get tired then, either run away to the nearby town or pull out your real weapon and kill them before you get over exerted and pass out.
8.Continually battle boogeymen this way until they are nothing but a minor annoyance. You can now go around killing dragons and titans by yourself since you're so bad ass.