Equip whatever sword you can and charge into the group. Be sure to take out the enemies with shields then the ones without. Last take out the magic users, stay within close range and never roll backward in an attempt to evade the attack. The Wartocks aren't srong attackers so take the damage and keep swinging until they die.
If you evade roll jump or run away they will run you down (they are faster) and they will eventually kill you or chase you to another room with stronger enemies.