Yes both mage and range, being able to use the Storm of Armadyl spell on the Jad's and final boss would help a lot but it requires doing a lot of quests... You can use polypore against the other melee creatures. As far as tricks just learn the safespots and when to use the crystals, should be plenty of videos on youtube to help with that. As far as gear Gano for maging and Arma for ranging one of the dungeoneering shields would be nice too but any decent shield would work.