Which artifacts are best to equip a hero with?

1 Griffin Armor;
2 Agile Guard's Halberd;
3 Mask of Terror;
4 Guard's Robe;
5 Ring of Regeneration;
6 Ring of Life;
7 Barbarian's Mace;
8 Well, the rest is up to you. :cool:
(P.S.: For a Barbarian!)