It was also more of an Ele Shaman weap
Eh, not really. Up until they rewrote the lore recently, it was basically just a symbol of Orcish destiny that was used to crush a whole lot of skulls. Now it is WoWs version of Thor's hammer where "only the worthy" can wield it and unlock its power, which is why it rejects Thrall when he murders Garrosh.