If you are in Rookgaard don't fight them unless you are level 7+ or you have good equipment and Small Health Potions, they appear in groups and with Orcs. On the premium side; there are two single spawns of these creatures, if you trap them in a corner they aren't so hard and will start use their weaker melee attack.
In Mainland, If you are fighting them in caves like Ancient Temple in Thais, try to lure them to a safer places, as they are usually accompanied with Orcs and Orc Warriors which, can be deadly for an inexperienced player.